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Artykuły w czasopismach na temat „Curvilinear Regression”

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Data publikacji: 8 września 2023

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1

Naiman, Daniel Q. "Conservative Confidence Bands in Curvilinear Regression." Annals of Statistics 14, no. 3 (1986): 896–906. http://dx.doi.org/10.1214/aos/1176350040.

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Pereira, Dulce Gamito Santinhos, Paulo Canas Rodrigues, Iwona Mejza, Stanislaw Mejza, and João Tiago Mexia. "Analyzing genotype-by-environment interaction using curvilinear regression." Scientia Agricola 69, no. 6 (2012): 357–63. http://dx.doi.org/10.1590/s0103-90162012000600003.

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Marjoribanks, Kevin. "Sibling Dilution Hypothesis: A Regression Surface Analysis." Psychological Reports 89, no. 1 (2001): 33–40. http://dx.doi.org/10.2466/pr0.2001.89.1.33.

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This study examined relationships between sibship size (the number of children in a family), birth order, and measures of academic performance, academic self-concept, and educational aspirations at different levels of family educational resources. As part of a national longitudinal study of Australian secondary school students data were collected from 2,530 boys and 2,450 girls in Years 9 and 10. Regression surfaces were constructed from models that included terms to account for linear, interaction, and curvilinear associations among the variables. Analysis suggests the general propositions (a

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Xie, Lei, Shaoping Qiu, and Xinyi Bian. "The curvilinear relationship between servant leadership and work-family conflict: the moderating role of age in Chinese female workers." Industrial and Commercial Training 53, no. 3 (2021): 294–309. http://dx.doi.org/10.1108/ict-12-2020-0114.

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Purpose Building on social exchange theory and selection, optimization and compensation theory, this study aims to examine a moderated curvilinear relationship between servant leadership (SL) and work-family conflict (WFC). Design/methodology/approach Participants were 329 female workers recruited from a Chinese small business in the service Industry. A three-step hierarchical regression was conducted to examine the relationships among the variables and the incremental contribution of SL and age and the squared term of SL. Findings Study results confirmed a curvilinear relationship between SL

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Marjoribanks, Kevin, and Mzobanzi Mboya. "Family Correlates of South African Students' Self-Concept: A Regression Surface Analysis." Psychological Reports 83, no. 1 (1998): 163–72. http://dx.doi.org/10.2466/pr0.1998.83.1.163.

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This study examined relationships between family social status, perceptions of proximal family environment and students' self-concept scores. Data were collected from 189 female and 146 male 18-yr.-old South Africans. Regression surfaces were constructed from models that included terms to account for linear, interaction, and curvilinear associations among the variables. The study suggests the general propositions (a) family social status and proximal family environment combine to have large associations with students' general self-concept and small to medium associations with scores on measure

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Marjoribanks, Kevin. "Perceptions of Family Environments, Educational and Occupational Outcomes: Social-Status Differences." Perceptual and Motor Skills 66, no. 1 (1988): 3–9. http://dx.doi.org/10.2466/pms.1988.66.1.3.

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Regression surface analysis was used to examine relations between various family environment measures and young adults' educational and occupational outcomes. Data were collected from 330 Australians as part of a 10-year longitudinal study. The regression models included terms to account for possible linear, interaction, and curvilinear relationships. In general, the analysis suggests the proposition that parents' aspirations and adolescents' perceptions of parents' support for learning have differential linear and curvilinear associations with the educational and occupational outcomes of youn

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Choy, Youngdo, Solyoung Jung, Beomjun Park, Jin Hur, Sang ho Park, and Gi gab Yoon. "Study on the Prediction of Wind Power Outputs using Curvilinear Regression." KEPCO Journal on Electric Power and Energy 2, no. 4 (2016): 627–30. http://dx.doi.org/10.18770/kepco.2016.02.04.627.

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Kahraman, S., M. Fener, and O. Gunaydin. "Predicting the sawability of carbonate rocks using multiple curvilinear regression analysis." International Journal of Rock Mechanics and Mining Sciences 41, no. 7 (2004): 1123–31. http://dx.doi.org/10.1016/j.ijrmms.2004.04.009.

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Miller, Nathan, and Frances Prevatt. "Redefining ADHD Using an Adult Population: Should Inattention be Viewed as a Separate Dimension From Cognitive and Physiological Activity Level?" Journal of Attention Disorders 24, no. 14 (2017): 1977–88. http://dx.doi.org/10.1177/1087054717733045.

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Objective: The purpose of this study was to reexamine the latent structure of ADHD and sluggish cognitive tempo (SCT) due to issues with construct validity. Two proposed changes to the construct include viewing hyperactivity and sluggishness (hypoactivity) as a single continuum of activity level, and viewing inattention as a separate dimension from activity level. Method: Data were collected from 1,398 adults using Amazon’s MTurk. A new scale measuring activity level was developed, and scores of Inattention were regressed onto scores of Activity Level using curvilinear regression. Results: The

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Chrosciewicz, Z. "Prediction of forest-floor moisture content on jack pine cutovers." Canadian Journal of Forest Research 19, no. 2 (1989): 239–43. http://dx.doi.org/10.1139/x89-033.

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Moisture contents of organic forest-floor materials were studied by strata on a clear-cut jack pine (Pinusbanksiana Lamb.) site in relation to slash distribution and changes in both duff moisture code and fine fuel moisture code, the two weather-based components of the Canadian Forest Fire Weather Index System. The best-fitting curvilinear regression (Y = a + b/X) of the duff moisture code showed distinctive patterns of variation, so that both the surface and subsurface forest-floor strata were consistently moister under slash cover than in slash openings, and for each of these two slash condi

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Liu, Guangwu, Muhammad Kamran Siddiqui, Shazia Manzoor, Muhammad Naeem, and Douhadji Abalo. "On Curvilinear Regression Analysis via Newly Proposed Entropies for Some Benzene Models." Complexity 2022 (September 23, 2022): 1–14. http://dx.doi.org/10.1155/2022/4416647.

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To avoid exorbitant and extensive laboratory experiments, QSPR analysis, based on topological descriptors, is a very constructive statistical approach for analyzing the numerous physical and chemical properties of compounds. Therefore, we presented some new entropy measures which are based on the sum of the neighborhood degree of the vertices. Firstly, we made the partition of the edges of benzene derivatives which are based on the degree sum of neighboring vertices and then computed the neighborhood version of entropies. Secondly, we made use of the software SPSS for developing a correlation

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Shane, Scott. "Explaining the Distribution of Franchised and Company-Owned Outlets in Franchise Systems." Journal of Management 24, no. 6 (1998): 717–39. http://dx.doi.org/10.1177/014920639802400603.

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Agency theory research on franchising, to date, has posited linear effects of franchisor characteristics on the distribution of company-owned and franchised outlets in franchise systems. This study argues that many of these characteristics actually have curvilinear effects. Using pooled cross-sectional time series regression analysis on U.S. franchisors over the 1991-1994 period, this study tests the curvilinear effects of geographic dispersion, royalty rates, system growth rate, system size, franchise fee and initial investment on the proportion of outlets franchised.

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Song, Gi Ryung, and Kyoung Seok Kim. "Curvilinear relationship between experienced incivility and nontask behavior in Korean companies." Baltic Journal of Management 16, no. 2 (2021): 228–46. http://dx.doi.org/10.1108/bjm-04-2020-0126.

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PurposeMost existing studies treat the relationship between experienced incivility and behavioral responses as linear. However, the current study examines the curvilinear relationships between experienced incivility and organizational citizenship behavior (OCB) and instigated incivility using conservation of resources (COR) theory and by referring to related studies that have identified typical positive and negative employee nontask behaviors. Furthermore, this study identifies turnover intention as a moderator of these curvilinear relationships.Design/methodology/approachAll samples were obta

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Yang, Xin, Jason Parton, Dwight Lewis, Ning Yang, and Matthew Hudnall. "Effects of Patient-Physician Relationship on Withholding Information Behavior and Its Trend: Findings From Health Information National Trends Survey 2011-2018." Journal of Medical Internet Research 22, no. 1 (2020): e16713. http://dx.doi.org/10.2196/16713.

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Background Patients’ withholding information from doctors can undermine medical treatment, create barriers for appropriate diagnoses, and increase systemic cost in health care systems. To date, there is limited literature detailing the association between trends of patients withholding information behavior (WIB) and the patient-physician relationship (PPR). Objective The aim of this study was to explore the prevalence trend of WIB after 2011 and examine the effects of PPR on WIB and its time trend. Methods A total of 5 iterations of data from the Health Information National Trends Survey (year

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Ryding, Kristen E., and John R. Skalski. "Multivariate regression relationships between ocean conditions and early marine survival of coho salmon (Oncorhynchus kisutch)." Canadian Journal of Fisheries and Aquatic Sciences 56, no. 12 (1999): 2374–84. http://dx.doi.org/10.1139/f99-177.

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Washington State hatcheries have released coded wire tagged coho salmon (Oncorhynchus kisutch) since the early 1970s and have recorded data on the number and ages of adult returns. From these data, we isolated marine survival from release to age 2 using a multinomial model incorporating the multivariate structure of the age-at-return data. Only hatcheries on or near the coast were used in the analysis in order to isolate marine effects. Using models to explore linear and curvilinear relationships, early marine survival was regressed against environmental covariates of sea surface temperature (

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Basińska, Beata Aleksandra, and Ewa Gruszczyńska. "Positivity and job burnout in emergency personnel: examining linear and curvilinear relationship." Polish Psychological Bulletin 48, no. 2 (2017): 212–19. http://dx.doi.org/10.1515/ppb-2017-0024.

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Abstract The aim of this study was to examine whether the relationship between the ratio of job-related positive to negative emotions (positivity ratio) and job burnout is best described as linear or curvilinear. Participants were 89 police officers (12% women) and 86 firefighters. The positivity ratio was evaluated using the Job-related Affective Wellbeing Scale (Van Katwyk, Fox, Spector, & Kelloway, 2000). Exhaustion and disengagement, two components of job burnout, were measured using the Oldenburg Burnout Inventory (Demerouti, Mostert, & Bakker, 2010). The results of regression ana

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Dust, Scott, Joseph Rode, and Peng Wang. "Leader self-enhancement values: curvilinear and congruence effects." Leadership & Organization Development Journal 41, no. 5 (2020): 687–701. http://dx.doi.org/10.1108/lodj-10-2019-0438.

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PurposeAssumptions regarding the effect of leader self-enhancement values on leader-follower relationships are oversimplified. To advance this conversation, we test non-linear and congruence effects. We hypothesize that leader self-enhancement values (via prestige) have an inverted U-shaped relationship with employee perceptions of leader-member exchange (LMX) and leader interpersonal justice, and that leader-follower incongruence is negatively related to LMX and interpersonal justice.Design/methodology/approachTo evaluate our hypotheses we use hierarchical regression, polynomial regression, a

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Golden, Timothy D., and John F. Veiga. "The Impact of Extent of Telecommuting on Job Satisfaction: Resolving Inconsistent Findings." Journal of Management 31, no. 2 (2005): 301–18. http://dx.doi.org/10.1177/0149206304271768.

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Although popular management wisdom has suggested that telecommuting enhances job satisfaction, research has found both positive and negative relationships. In this study, the authors attempt to resolve these inconsistent findings by hypothesizing a curvilinear, inverted U-shaped relationship between the extent of telecommuting and job satisfaction. Using hierarchical regression analysis on a sample of 321 professional-level employees, their findings suggest a curvilinear link between extent of telecommuting and job satisfaction, with satisfaction appearing to plateau at more extensive levels o

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Thomas, Adrian, Jerry K. Palmer, and Jack M. Feldman. "Examination and Measurement of Halo Via Curvilinear Regression: A New Approach to Halo1." Journal of Applied Social Psychology 39, no. 2 (2009): 350–58. http://dx.doi.org/10.1111/j.1559-1816.2008.00441.x.

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Yang, L. J., R. S. Chandel, and M. J. Bibby. "An analysis of curvilinear regression equations for modeling the submerged-arc welding process." Journal of Materials Processing Technology 37, no. 1-4 (1993): 601–11. http://dx.doi.org/10.1016/0924-0136(93)90121-l.

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Bin, Devin, Keo Mony Sok, Phyra Sok, and Sonariddh Mao. "The tipping point: mitigating the curvilinear effect of frontline service employee's perception of leadership humility on frontline service performance." Journal of Service Theory and Practice 31, no. 1 (2020): 137–56. http://dx.doi.org/10.1108/jstp-06-2020-0110.

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PurposePrior studies have mainly advanced the understanding of a linear relationship between leadership humility and employee work outcomes, mediated and/or moderated by various individual, team and organizational variables. This study attempts to advance prior knowledge by investigating a potential curvilinear relationship between leadership humility and frontline service employee (FSE) performance and the role of FSE's psychological capital (PsyCap) in attenuating this curvilinear relationship.Design/methodology/approachSurvey data were drawn from a survey sample of 273 FSEs working in the h

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Samantha, Gunathilaka, and Gamini Premaratne. "Exploring Curvilinear Relationship between Entrepreneurial Orientation and Firm Performance." GATR Global Journal of Business Social Sciences Review 1, no. 3 (2013): 17–25. http://dx.doi.org/10.35609/gjbssr.2013.1.3(3).

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Objective - The vital role of entrepreneurial orientation (EO) on firm performance has been widely studied in developed countries. Most studies have found a positive linear relationship between EO and firm performance. However, the empirical findings are inconclusive. According to the recent literature, one possible reason for these inconsistent findings may be the nature of the relationship between EO and firm performance is not linear as assumed by many researchers. The objective of this study is to examine the relationship between EO and firm performance and specially to determine the best

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Xia, Qing, Shumin Yan, Yuliang Zhang, and Baizhu Chen. "The curvilinear relationship between knowledge leadership and knowledge hiding." Leadership & Organization Development Journal 40, no. 6 (2019): 669–83. http://dx.doi.org/10.1108/lodj-10-2018-0362.

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Purpose The purpose of this paper is to examine the curvilinear relationship between knowledge leadership and knowledge hiding and the moderating role of psychological ownership on influencing the curvilinear relationship. Design/methodology/approach In total, 403 data were collected from participants in a high-technology company via a two-wave survey. Hierarchical regression analyses were used to test the hypotheses. Findings Results revealed an inverted U-shaped relationship between knowledge leadership and knowledge hiding. The employees exhibited more knowledge hiding in a moderate level o

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Barrows, Ricky, and Tony Lawrence. "Further evidence for a curvilinear relationship between religiousness and death anxiety." Transpersonal Psychology Review 14, no. 1 (2010): 16–25. http://dx.doi.org/10.53841/bpstran.2010.14.1.16.

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Using the newly-constructed Post-Critical Belief Scale (Duriec, Soenens & Hutsebaut, 2005) and the Revised Death Anxiety Scale (Thorson & Powell, 1994) an opportunity sample of 216 parlicipanls (44 males and 172 females) took part in a survey study to examine the relationship between religiosity, open/closed mindedness and death anxiety. Preliminary data screening revealed significant differences between males and females on mean levels of religiousness and open/closed mindedness. Therefore, to avoid biases in regression estimates, due to heterogeneous subsamples, the male and female s

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Schmitt, Antje, Sandra Ohly, and Nina Kleespies. "Time Pressure Promotes Work Engagement." Journal of Personnel Psychology 14, no. 1 (2015): 28–36. http://dx.doi.org/10.1027/1866-5888/a000119.

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Based on activation theory and appraisal theory, this study examines the curvilinear relationship between time pressure and work engagement. Further, we argue that this curvilinear relation holds only if time pressure is not induced by unreasonable or unnecessary tasks. We tested our hypotheses in a heterogeneous sample of 191 employees. Results of moderated hierarchical multiple regression analyses provide evidence for an inverted U-shape relation between time pressure and work engagement. Our findings show that the motivating effect of a moderate level of time pressure holds only when employ

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Xu, Yang, Zhigang Wen, Kaili Deng, Ran Li, Qing Yu, and Su-Mei Xiao. "Relationships of sex hormones with muscle mass and muscle strength in male adolescents at different stages of puberty." PLOS ONE 16, no. 12 (2021): e0260521. http://dx.doi.org/10.1371/journal.pone.0260521.

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This study analysed the associations of sex steroids with fat-free mass (FFM) and handgrip strength in 641 Chinese boys. Serum total testosterone (TT) and oestradiol were measured by chemiluminescence immunoassay. Free testosterone (FT) and oestradiol were calculated. FFM and handgrip strength were measured by bioelectrical impedance analysis and a hand dynamometer, respectively. Generalised additive models and multiple linear regression were used to explore the relationships. A subgroup analysis was conducted in early-mid pubertal and late-post pubertal groups. Age, height, weight, physical a

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Maqbool, Shafat, and Abu Bakr. "The curvilinear relationship between corporate social performance and financial performance." Journal of Global Responsibility 10, no. 1 (2019): 87–100. http://dx.doi.org/10.1108/jgr-11-2018-0060.

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Purpose The relationship between corporate social responsibility (CSR) and financial performance (FP) has bourgeoned widespread debate among researchers. In recent years, the debate has explored more dynamic links, one of which is the curvilinear relationship, between CSR and FP. This paper aims to empirically test the curvilinear relationship between CSR and FP in the context of Indian companies. Design/methodology/approach This paper empirically tests the curvilinear relationship between CSR and FP in the context of Indian companies. The study used a panel data of 43 listed companies over a

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Pirk, Norbert, Mikhail Mastepanov, Frans-Jan W. Parmentier, Magnus Lund, Patrick Crill, and Torben R. Christensen. "Calculations of automatic chamber flux measurements of methane and carbon dioxide using short time series of concentrations." Biogeosciences 13, no. 4 (2016): 903–12. http://dx.doi.org/10.5194/bg-13-903-2016.

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Abstract. The closed chamber technique is widely used to measure the exchange of methane (CH4) and carbon dioxide (CO2) from terrestrial ecosystems. There is, however, large uncertainty about which model should be used to calculate the gas flux from the measured gas concentrations. Due to experimental uncertainties the simple linear regression model (first-order polynomial) is often applied, even though theoretical considerations of the technique suggest the application of other, curvilinear models. High-resolution automatic chamber systems which sample gas concentrations several hundred times

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Deng, Xiao, Bo Gao, and Lei Chen. "Support while control: the influence of embeddedness on virtual community participation." Library Hi Tech 38, no. 3 (2019): 625–37. http://dx.doi.org/10.1108/lht-09-2018-0133.

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PurposeExploring the antecedents of members community participation is extremely important for virtual communities (VCs) research and practice. As an important social characteristic of individuals, social embeddedness has been proved as an important antecedent of many individual behaviors; however, few research has investigated the influence of virtual community members social embeddedness on virtual community members’ participation. To fill this gap, the purpose of this paper is to explore the relationship between social embeddedness and community participation in VCs.Design/methodology/appro

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SEVAK DAS, VYAS PANDEY, H. R. PATEL, and K. I. PATEL. "Effect of weather parameters on pest-disease of okra during summer season in middle Gujarat." Journal of Agrometeorology 13, no. 1 (2011): 38–42. http://dx.doi.org/10.54386/jam.v13i1.1331.

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To assess the impact of weather on pest-disease of okra, a field experiment was conducted in summer season 2009 in split plot design with five dates of sowing (D1 -15th February, D2 -1st March, D3 -15th March, D4 -1st April and D5 -15th April) and two spraying levels (S0-control, S1-spraying) at Agronomy Farm of B.A. College of Agriculture, Anand Agricultural University, Anand. The results revealed that the infestation of pests and diseases was higher in delayed sowing as compared to early sowing resulting reduction in yield by 44.4%. Different weather parameters were found to have different e

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I. Wong Humborstad, Sut, Christina G.L. Nerstad, and Anders Dysvik. "Empowering leadership, employee goal orientations and work performance." Personnel Review 43, no. 2 (2014): 246–71. http://dx.doi.org/10.1108/pr-01-2012-0008.

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Purpose – The purpose of this paper is to investigate the possible curvilinear relationship between empowering leadership and individual in-role and extra-role work performance and the potential moderating role of individual goal orientations. Design/methodology/approach – Hierarchical regression analyses were conducted based on data from 655 certified accountants. Leaders' empowering behavior was measured using Ahearne et al.'s scale. Mastery and performance goal orientations were measured using items from VandeWalle. In-role work performance was measured via a ten-item scale developed and us

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Almedeij, Jaber. "Modeling Pan Evaporation for Kuwait by Multiple Linear Regression." Scientific World Journal 2012 (2012): 1–9. http://dx.doi.org/10.1100/2012/574742.

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Evaporation is an important parameter for many projects related to hydrology and water resources systems. This paper constitutes the first study conducted in Kuwait to obtain empirical relations for the estimation of daily and monthly pan evaporation as functions of available meteorological data of temperature, relative humidity, and wind speed. The data used here for the modeling are daily measurements of substantial continuity coverage, within a period of 17 years between January 1993 and December 2009, which can be considered representative of the desert climate of the urban zone of the cou

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Bhandarkar, Ritesh, and Ajit Shah. "Association of General Population Suicide Rates with Fertility Rates: A Test of Fertility as a Measure of Social Integration." Psychological Reports 103, no. 3 (2008): 812–18. http://dx.doi.org/10.2466/pr0.103.3.812-818.

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A negative correlation between societal suicide rates and social integration has been reported using data within individual countries; however, this has rarely been examined cross-nationally. The relation of general population suicide rates with fertility rates across 75 countries was examined for data from the World Health Organization and the United Nations. Social integration has been defined as the extent to which members of society are bound together in social relationships, and higher fertility rates, reflecting greater vigour and unity of the family, serve as a proxy measure of social i

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Toornstra, A., P. P. M. Hurks, W. Van der Elst, K. Massar, G. Kok, and L. M. G. Curfs. "Measuring Goal Setting in School-Aged Children: Studying the Effects of Demographic Variables in Regression-Based Norms." Journal of Pediatric Neuropsychology 6, no. 2 (2020): 96–110. http://dx.doi.org/10.1007/s40817-020-00081-8.

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Abstract The aim of the study was to establish demographically representative norms for tasks measuring goal setting, and more specifically planning and reasoning in children. Three tasks were administered to n = 195 Ukrainian children aged 5.10 to 14.5 years old: the Spatial Working Memory (SWM), the Stockings of Cambridge (SOC) test, and the Naglieri Nonverbal Ability Test (NNAT). Main outcome per test was accuracy: i.e., the total number correct for the SOC and NNAT, and the total amount of incorrect responses for the SWM. Correlations among accuracy measures varied from − 0.51 to 0.60, ind

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Zheng, Xingshan, Tomas Thundiyil, Ryan Klinger, and Andrew T. Hinrichs. "Curvilinear relationships between role clarity and supervisor satisfaction." Journal of Managerial Psychology 31, no. 1 (2016): 110–26. http://dx.doi.org/10.1108/jmp-06-2013-0175.

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Purpose – Utilizing attribution theory, the purpose of this paper is to propose a more nuanced theoretical understanding of role clarity – supervisor satisfaction trajectories. The authors also identify leadership characteristics that moderate these trajectories: supervisor developmental feedback (SDF) and interpersonal justice. Design/methodology/approach – In this field study, survey responses were collected from 334 employees. Data were submitted to hierarchical polynomial regression. Findings – The impact of too much role clarity was dependent on the level of interpersonal justice and SDF.

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Xie, Jun, Qihai Huang, Hongli Wang, and Minghao Shen. "Perish in gossip? Nonlinear effects of perceived negative workplace gossip on job performance." Personnel Review 49, no. 2 (2019): 389–405. http://dx.doi.org/10.1108/pr-10-2018-0400.

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Purpose The purpose of this paper is to investigate the curvilinear relationship between perceived negative workplace gossip and target employee’s task performance, and the moderating roles of perceived organizational support (POS). Design/methodology/approach Using a sample of 275 supervisor–subordinate dyads in a two-wave survey, the authors adopted a hierarchical regression analysis to test the hypotheses. Findings The results revealed that there is a U-shaped relationship between perceived negative workplace gossip and task performance. Moreover, POS moderated the curvilinear relationship

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Hsiao, Yung-Chang, and Ming-Ho Wu. "How organizational structure and strategic alignment influence new product success." Management Decision 58, no. 1 (2020): 182–200. http://dx.doi.org/10.1108/md-06-2017-0628.

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Purpose The purpose of this paper is to review and re-examine the role of the organization-level determinants from the perspectives of competence-based views. Design/methodology/approach Regression analysis was used to test the hypotheses in a sample of 80 cases drawn from a population of the top 5,000 Taiwanese firms listed in the yearbook published by the China Credit Information Service Incorporation. Findings The empirical results indicate that formalization is positively related to new product performance while decentralization has an inverse U-shaped curvilinear effect on new product per

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Seo, Ribin. "Entrepreneurial orientation and innovation performance: insights from Korean ventures." European Journal of Innovation Management 23, no. 4 (2019): 675–95. http://dx.doi.org/10.1108/ejim-01-2019-0023.

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Purpose The purpose of this paper is to explore the curvilinear relationship between entrepreneurial orientation (EO) and innovation performance in ventures of Korea, where this topic has been unexplored. Design/methodology/approach This study used 1,837 ventures’ responses in a panel data of the 2015 Korea’s Venture Business Investigation Survey. The measurements of EO based on the Miller/Covin and Slevin scale were used from the survey. The author adopted and independently measured three different indicators of innovation performance: technology innovation, product innovation and sales growt

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Shah, A. "The possible evidence for an epidemiological transition hypothesis for elderly suicides." International Psychogeriatrics 22, no. 2 (2009): 219–26. http://dx.doi.org/10.1017/s104161020999130x.

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ABSTRACTBackground: An epidemiological transition hypothesis has been developed to explain simultaneously wide cross-national variations in elderly suicide rates, trends over time for elderly suicide rates and age-associated trends in suicides rates. This speculative hypothesis suggests that there is a curvilinear (inverted U-shaped curve) relationship between elderly suicide rates and socioeconomic status fitting the quadratic equation y = a + bx − cx2 (where y is the suicide rate, x is the socioeconomic status, and a, b and c are constants).Methods: The predicted curvilinear relationship bet

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Bang, Hojin, and Jong Gyu Park. "The Double-Edged Sword of Task Conflict: Its Impact on Team Performance." Social Behavior and Personality: an international journal 43, no. 5 (2015): 715–28. http://dx.doi.org/10.2224/sbp.2015.43.5.715.

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We investigated the relationship between task conflict and team performance, taking into account the interaction effects of job demand. Participants were 5,579 employees in 153 teams at a South Korean manufacturing company. We found a statistically significant curvilinear relationship between task conflict and actual team performance; however, the relationship between task conflict and perceived team performance was negative and linear. Through response surface analysis, we also found that task conflict positively predicted actual team performance when job demand was high, whereas it had a neg

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Koc, Gokhan. "Analyzing the social factors affecting aviation development in countries by creating a mixed curvilinear regression model." Pressacademia 10, no. 1 (2021): 24–35. http://dx.doi.org/10.17261/pressacademia.2021.1381.

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Nam, Taewoo. "Does E-Government Raise Effectiveness and Efficiency?" Journal of Global Information Management 27, no. 3 (2019): 120–38. http://dx.doi.org/10.4018/jgim.2019070107.

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This article examines the influence of e-government maturity on government effectiveness and efficiency with a cross-country view. To that end, it uses two-stage least square regression, considering the endogeneity of e-government. The regression-based analysis on various global indicators finds that e-government significantly contributes to enhancing government effectiveness but fails to substantially raise government efficiency. Political, economic, and cultural disparities across countries affect the variation in the impact of e-government on government effectiveness and efficiency. The lev

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Khan, Abdul Rauf, Nadeem ul Hassan Awan, Muhammad Usman Ghani, et al. "Fundamental Aspects of Skin Cancer Drugs via Degree-Based Chemical Bonding Topological Descriptors." Molecules 28, no. 9 (2023): 3684. http://dx.doi.org/10.3390/molecules28093684.

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Due to significant advancements being made in the field of drug design, the use of topological descriptors remains the primary approach. When combined with QSPR models, descriptors illustrate a molecule’s chemical properties numerically. Numbers relating to chemical composition topological indices are structures that link chemical composition to physical characteristics. This research concentrates on the analysis of curvilinear regression models and degree-based topological descriptors for thirteen skin cancer drugs. The physicochemical characteristics of the skin cancer drugs are examined whi

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Tiantian, Xian, Zhang Zhenduo, Xiao Huan, Xiu Jing, and Jia Wentong. "The Curvilinear Relationship Between Job Control and Voice: Role of Emotional Resistance to Change and Supervisor Developmental Feedback." SAGE Open 11, no. 2 (2021): 215824402110278. http://dx.doi.org/10.1177/21582440211027960.

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The purpose of this study was to delve into the underlying mechanism and contextual boundary condition of the U-shaped relationship between job control and voice at the episode level within the framework of conservation of resources theory. Adopting a two-wave experience sampling method, this study collected 265 matched cases nested in 53 Chinese employees for 5 consecutive days. By hierarchical linear regression, the U-shaped effect of job control on voice at the episode level was replicated. Furthermore, the mediating role of emotional resistance (ER) to change and to the moderating role of

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Konsler, T. R., and J. E. Shelton. "Lime and Phosphorus Effects on American Ginseng: I. Growth, Soil Fertility, and Root Tissue Nutrient Status Response." Journal of the American Society for Horticultural Science 115, no. 4 (1990): 570–74. http://dx.doi.org/10.21273/jashs.115.4.570.

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Soil applications of dolomitic limestone and P fertilizer before seeding American ginseng (Panax quinquefolium L.) affected root weight (RW) gain during the first 4 years of growth. At the end of each growing season, root size was greatest with the intermediate liming rate and with the high P rate. Lime resulted in positive linear responses in soil pH, K, Ca, and Mg and in root N, P, Ca, and Mg and curvilinear responses in soil Mn and Zn and in root K, Mn, and Zn. Applied P had a positive linear effect on soil Na and on root N, Ca, and Fe and a curvilinear effect on soil P and on root P and Ca

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BARANOWSKI, MACIEJ. "On the role of social factors in the loss of phonemic distinctions." English Language and Linguistics 17, no. 2 (2013): 271–95. http://dx.doi.org/10.1017/s1360674313000038.

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The article tests the generalisation of the curvilinear hypothesis and the tendency of females to lead linguistic change in vocalic mergers on the basis of two mergers currently in progress in Charleston, South Carolina: the low-back merger and thepin–penmerger. It is based on sociolinguistic interviews with 100 informants, aged 8–90, covering the socioeconomic spectrum of the city. The speech of 90 of the informants is analysed acoustically; it is supplemented with minimal-pair tests and word list reading. F1/F2 measurements and minimal-pair test results are subjected to a series of multiple

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Startup, Mike. "Insight and cognitive deficits in schizophrenia: evidence for a curvilinear relationship." Psychological Medicine 26, no. 6 (1996): 1277–81. http://dx.doi.org/10.1017/s003329170003600x.

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SynopsisBoth motivational and defect theories have been offered to explain variations in insight among schizophrenic individuals but the results of tests of these theories have been inconclusive and inconsistent. The present study was designed to test the hypothesis that both motivation and cognitive deficits affect insight, with a trade-off between the two processes, giving rise to quadratic relationships between insight and cognitive deficits. Twenty-six schizophrenic patients completed battery of neuropsychological tests and participated in an interview designed to assess insight. In a mult

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CHOWDHURY, A. "Effect of weather on rice crop in Bhandara district. A curvilinear approach." MAUSAM 42, no. 3 (2022): 279–86. http://dx.doi.org/10.54302/mausam.v42i3.3237.

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Curvilinear technique has been applied to rice crop in Bhandara district (Maharashtra) to examine effects of rainfall, maximum temperature and relative humidity. Partial regression curves for estimating the rice yield by taking into account the .combined effect of these three factors have been worked out. It is observed that during the period of active growth rainfall is the most significant factor followed by maximum temperature and relative humidity in that order. The optimum value of total rainfall during the active growth phase was found as 1000 mm and those for maximum temperature and rel

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KALBARCZYK, Eliza, Robert KALBARCZYK, and Beata RASZKA. "Risk to Onion (Allium cepa L.) Field Cultivation in Poland from Precipitation Deficiency." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 39, no. 2 (2011): 214. http://dx.doi.org/10.15835/nbha3926351.

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The onion is the most common vegetable cultivated in Poland and yield is marked by high year to year variability. The yield quantity is predominantly affected by variable meteorological conditions, especially by precipitation deficiency. Data were collected from the Research Centre for Cultivar Testing and the Institute of Meteorology and Water Management for the period 1966-2005 to evaluate the effect of precipitation conditions on the yield of onions (Allium cepa L.) cultivated in Poland using multiple regression analysis. Verification of the curvilinear regression equation was conducted on

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Saunders, Glen, Steven McLeod, and Barry Kay. "Degradation of sodium monofluoroacetate (1080) in buried fox baits." Wildlife Research 27, no. 2 (2000): 129. http://dx.doi.org/10.1071/wr99031.

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The degradation of 1080 in buried Foxoff® baits was investigated. Baits were exposed to 5 different treatments: shelf-stored controls, prevailing weather, no rainfall, average weekly rainfall and twice average weekly rainfall. Curvilinear regression models were used to model the rates of decay of 1080. These predicted that under normal rainfall conditions, baits would become non-lethal to working dogs at 2.2 weeks and foxes at 2.8 weeks. Management implications of these results are discussed.

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