Dissertations / Theses on the topic 'Issue variables'
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Li, Qiang, and n/a. "The Measurement of Short- and Long- Term Returns of Chinese Initial Public Offerings and the Identification of Corporate Governance Variables That May Explain These Returns." Griffith University. Griffith Business School, 2006. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20061017.155437.
Full textLi, Qiang. "The Measurement of Short- and Long- Term Returns of Chinese Initial Public Offerings and the Identification of Corporate Governance Variables That May Explain These Returns." Thesis, Griffith University, 2006. http://hdl.handle.net/10072/367285.
Full textThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Griffith Business School
Full Text
ALNASRALLAH, MOHAMMAD A. "GEOGRAPHIC DISPARITIES OF OBESITY AS A PUBLIC HEALTH ISSUE IN SUMMIT COUNTY, OHIO." Kent State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=kent1436765800.
Full textEarl, Judith Kavanaugh. "Assessing the issue of arbitrariness in capital sentencing in North Carolina are the effects of legally relevant variables racially invariant? /." [Tampa, Fla.] : University of South Florida, 2005. http://purl.fcla.edu/fcla/etd/SFE0001370.
Full textLaMontagne, Tamara Marie. "Psychosocial Differences in Far Right, Far Left, Islamic, and Single Issue Lone Extremists." ScholarWorks, 2019. https://scholarworks.waldenu.edu/dissertations/6451.
Full textKemerer, Kevin L. "Accounting variables, stock splits and when-issued trading." Diss., Virginia Tech, 1990. http://hdl.handle.net/10919/39702.
Full textPh. D.
Henningsen, David. "Cost as an independent variable : implementation issues." Thesis, Monterey, California. Naval Postgraduate School, 1997. http://hdl.handle.net/10945/8159.
Full textDavis, John Mark. "Personality variables mediating change in concern toward environmental issues." Master's thesis, University of Central Florida, 1990. http://digital.library.ucf.edu/cdm/ref/collection/RTD/id/47540.
Full textResearchers have for several decades examined the relationships between personality and demographic variables, pro-environmental behaviors, and level of convern toward environmental problems. In this study, personality and selected demographic variables contriubting to an increase in convern toward environmental issues were examined. Subjects included 79 females and 46 males with a mean age of 22.5 years who were enrolled in undergraduate cources at the University of Central Florida. During the first session, information concerning personality and demographic variables was obtained and subjects completed Weigel and Weigel's (1978) Ecological Concern Scale (ECS). During the second session, experimental group subjects viewed a video tape addressing environmental issues, while the control group viewed a video tape examining health issues. Subjects were then retested using the ECS. The ANCOVA demonstrated that experimental group subjects exhibited a significant increase in environmental concern compared to the control group (F) (1, 112) = 8.40, p<.005). However, personality and demographic variables were not significantly associated with increase in concern for experimental group subjects.
M.S.
Masters
Arts and Sciences
Clinical Psychology
58 p.
iv, 58 leaves, bound : ill. ; 28 cm.
Truntzer, Caroline. "Évaluation de modèles pronostiques issus de l'analyse dutranscriptome." Phd thesis, Université Claude Bernard - Lyon I, 2007. http://tel.archives-ouvertes.fr/tel-00161161.
Full textétude soulève cependant de nombreuses questions statistiques dues à l'analyse simultanée de l'expression
de milliers de gènes pour un nombre restreint de patients. Nous nous sommes intéressés
à deux aspects de l'évaluation des modèles pronostiques issus de l'analyse du transcriptome. Dans
un premier temps, l'utilisation complémentaire de jeux de données simulés et publics nous a permis
de montrer que le choix de la méthode d'analyse la plus adaptée repose sur la manière dont ses
propriétés théoriques s'adaptent à la structure des données. Cette réflexion a été appliquée aux
analyses discriminante et inter-groupes. Dans un second temps, des simulations nous ont permis
d'estimer les contributions respectives des variables clinico-biologiques classiques et transcriptomiques
dans des modèles de survie. Les paramètres associés à la surestimation de la contribution
des biopuces ont été identifiés.
Geronimi, Julia. "Contribution à la sélection de variables en présence de données longitudinales : application à des biomarqueurs issus d'imagerie médicale." Thesis, Paris, CNAM, 2016. http://www.theses.fr/2016CNAM1114/document.
Full textClinical studies enable us to measure many longitudinales variables. When our goal is to find a link between a response and some covariates, one can use regularisation methods, such as LASSO which have been extended to Generalized Estimating Equations (GEE). They allow us to select a subgroup of variables of interest taking into account intra-patient correlations. Databases often have unfilled data and measurement problems resulting in inevitable missing data. The objective of this thesis is to integrate missing data for variable selection in the presence of longitudinal data. We use mutiple imputation and introduce a new imputation function for the specific case of variables under detection limit. We provide a new variable selection method for correlated data that integrate missing data : the Multiple Imputation Penalized Generalized Estimating Equations (MI-PGEE). Our operator applies the group-LASSO penalty on the group of estimated regression coefficients of the same variable across multiply-imputed datasets. Our method provides a consistent selection across multiply-imputed datasets, where the optimal shrinkage parameter is chosen by minimizing a BIC-like criteria. We then present an application on knee osteoarthritis aiming to select the subset of biomarkers that best explain the differences in joint space width over time
Burgess, Stephen. "Statistical issues in Mendelian randomization : use of genetic instrumental variables for assessing causal associations." Thesis, University of Cambridge, 2012. https://www.repository.cam.ac.uk/handle/1810/242184.
Full textAhmed, Ibrahim. "Comparative evaluation of different power quality issues of variable speed wind turbines." Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/15920.
Full textPeyre, Julie. "Analyse statistique des données issues des biopuces à ADN." Phd thesis, Université Joseph Fourier (Grenoble), 2005. http://tel.archives-ouvertes.fr/tel-00012041.
Full textDans un premier chapitre, nous étudions le problème de la normalisation des données dont l'objectif est d'éliminer les variations parasites entre les échantillons des populations pour ne conserver que les variations expliquées par les phénomènes biologiques. Nous présentons plusieurs méthodes existantes pour lesquelles nous proposons des améliorations. Pour guider le choix d'une méthode de normalisation, une méthode de simulation de données de biopuces est mise au point.
Dans un deuxième chapitre, nous abordons le problème de la détection de gènes différentiellement exprimés entre deux séries d'expériences. On se ramène ici à un problème de test d'hypothèses multiples. Plusieurs approches sont envisagées : sélection de modèles et pénalisation, méthode FDR basée sur une décomposition en ondelettes des statistiques de test ou encore seuillage bayésien.
Dans le dernier chapitre, nous considérons les problèmes de classification supervisée pour les données de biopuces. Pour remédier au problème du "fléau de la dimension", nous avons développé une méthode semi-paramétrique de réduction de dimension, basée sur la maximisation d'un critère de vraisemblance locale dans les modèles linéaires généralisés en indice simple. L'étape de réduction de dimension est alors suivie d'une étape de régression par polynômes locaux pour effectuer la classification supervisée des individus considérés.
Abalala, Turki Shjaan. "Macroeconomic variables, oil prices and seasonality : three key issues empirically investigated for Islamic stock market indices." Thesis, University of Newcastle upon Tyne, 2013. http://hdl.handle.net/10443/1932.
Full textGe, Xiao. "Investigation of interior permanent magnet machines and variable reluctance resolvers accounting for manufacturing issues." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/12393/.
Full textNehl, Eric J. "A comparison of selected personal variables of Indiana state legislators and their voting records on tobacco issues." Virtual Press, 2001. http://liblink.bsu.edu/uhtbin/catkey/1266139.
Full textDepartment of Physiology and Health Science
Karim, Mohamed. "Contribution à l'étude des acquisitions en lecture-écriture au CE1; enfants issus de l'immigration, et autres variables." Toulouse 2, 1994. http://www.theses.fr/1994TOU20044.
Full textThe prupose of study is to examine the relationship between national origine ane academic results of children at the ce 1 level. Within this guideline, we have compared the children of french origin with foreigners. Other variables such as, the home environment, the father' level of education, the family size, and the retention at scool. We have guided us in examing thein link with national origin. Therefore, we have examined the national origin of children in relation with this variables. Our results show an important relationship between the national origin of children and teir success at scool. This finding is linked to economic cultural and linguistic inegalities that exist for foreign children in comparaison to french children
Ndoye, Idrissa. "Isolement et approche synthétique de produits naturels issus du champignon endophyte Paraconiothyrium variabile." Paris 6, 2012. http://www.theses.fr/2012PA066314.
Full textParaconiothyrium variabile is an endophytic fungus isolated from the conifer Cephalotaxus harringtonia and displayed a significant antagonism against common plant pathogens. We undertook the chemical characterization of the fungal metabolites implied in the mutualistic relationship between the host plant and the endophyte in order to study their role in the observed antagonism. The analysis of the AcOEt extract of the culture filtrate of P. Variabile revealed four main families of metabolites: α-tetralones, isocoumarin, isobenzofuran, and a cyclodipeptide obtained in different culture conditions. The absolute configuration of three α-tetralones with a hydroxyl at C-4 was determined S by analysis of their circular dichroism spectra. The biotransformation of juglone and isosclerone led to increased amount of isosclerone and structural analogues, respectively. Dimerization of isosclerone under acidic conditions gave the best results towards the natural spirobisnaphtalene skeleton of palmarumycins. Additionally, a contribution to the synthesis of a biomimetic linear precursor of hirsutellones was done
Thiel, Kathleen K. "Opinions of Ohio public school superintendents about issues in adult education in relation to selected personal and programmatic variables /." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487585645579082.
Full textBérard, Caroline. "Modèles à variables latentes pour des données issues de tiling arrays. Applications aux expériences de ChIP-chip et de transcriptome." Phd thesis, AgroParisTech, 2011. http://tel.archives-ouvertes.fr/tel-00656841.
Full textBerard, Caroline. "Modèles à variables latentes pour des données issues de tiling arrays : Applications aux expériences de ChIP-chip et de transcriptome." Thesis, Paris, AgroParisTech, 2011. http://www.theses.fr/2011AGPT0067.
Full textTiling arrays make possible a large scale exploration of the genome with high resolution. Biological questions usually addressed are either the gene expression or the detection of transcribed regions which can be investigated via transcriptomic experiments, and also the regulation of gene expression thanks to ChIP-chip experiments. In order to analyse ChIP-chip and transcriptomic data, we propose latent variable models, especially Hidden Markov Models, which are part of unsupervised classification methods. The biological features of the tiling arrays signal, such as the spatial dependence between observations along the genome and structural annotation are integrated in the model. Moreover, the models are adapted to the biological question at hand and a model is proposed for each type of experiment. We propose a mixture of regressions for the comparison of two samples, when one sample can be considered as a reference sample (ChIP-chip), and a two-dimensional Gaussian model with constraints on the variance parameter when the two samples play symmetrical roles (transcriptome). Finally, a semi-parametric modeling is considered, allowing more flexible emission distributions. With the objective of classification, we propose a false-positive control in the case of a two-cluster classification and for independent observations. Then, we focus on the classification of a set of observations forming a region of interest such as a gene. The different models are illustrated on real ChIP-chip and transcriptomic datasets coming from a NimbleGen tiling array covering the entire genome of Arabidopsis thaliana
Young, Charles Andrew. "Issues associated with the creation of regional-scale variably saturated groundwater flow models in irrigated areas /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2004. http://uclibs.org/PID/11984.
Full textBhatti, Sajjad Haider. "Estimation of the mincerian wage model addressing its specification and different econometric issues." Phd thesis, Université de Bourgogne, 2012. http://tel.archives-ouvertes.fr/tel-00780563.
Full textCooper, Stephen-Mark. "Statistical methods for resolving issues relevant to test and measurement reliability and validity in variables related to sport performance and physical fitness." Thesis, Cardiff Metropolitan University, 2006. http://hdl.handle.net/10369/7393.
Full textHedjazi, Lyamine. "Outil d'aide au diagnostic du cancer à partir d'extraction d'informations issues de bases de données et d'analyses par biopuces." Phd thesis, Université Paul Sabatier - Toulouse III, 2011. http://tel.archives-ouvertes.fr/tel-00657959.
Full textAndersson, Oskar. "Inclusion of Wind Turbines into Frequency Support Services : Exploring frequency stability issues and comparing regulation power market products." Thesis, Uppsala universitet, Institutionen för elektroteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-435076.
Full textColeman, Shawonna S. "Examining Public School Educators' Perceptions of Variables Studied in Correlation to Teacher Attrition Issues within a Select Rural School District in the State of Mississippi: Implications for Teacher Retention." DigitalCommons@Robert W. Woodruff Library, Atlanta University Center, 2017. http://digitalcommons.auctr.edu/cauetds/74.
Full textKo-WeiShih and 史可維. "The impact of macroeconomic variables,food safety issue and U.S. QE on Taiwanese convenience store stock price." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/9f4azw.
Full text國立成功大學
企業管理學系
104
This study examines the effects of domestic and international macroeconomic factors on the stock prices of chain convenience stores in Taiwan. The convenience store industry is labor-intensive, oriented toward the sale of daily necessities and has a high domestic demand. Based on the labor-intensive feature, this study takes minimum wage and monthly revenue as independent variables; based on the daily necessities feature, this study takes macroeconomic factors to examine whether domestic and global economics factors have effects on the domestic-demand industry. These macroeconomics variables include the discount rate of the central bank of R.O.C., real exchange rate, CPI, and oil price. The dummy variables are food scandals in Taiwan, the plasticizer event and the poisonous starch event. Food scandals have given rise to wide concern for customers because of food safety issues. In addition, three rounds of U.S. Quantitative Easing are also regarded as independent variables as well. The results suggested that monthly revenue and minimum wage had no effects on convenience store prices. As for the domestic economic factors, the real exchange rate and the poisonous starch food scandal event did not have effects on the stock prices of convenience stores. Global economics factors like the U.S. QE and oil price were not found to have an effect on the stock prices of convenience stores in Taiwan. However, the consumer price index (CPI) was found to have a positive impact on the stock prices of convenience stores in Taiwan. The discount rate and the plasticizer food scandal had negative effects on the stock prices of convenience stores in Taiwan. Keywords: Convenience stores, Stock price, U.S. QE, Food safety issue
Rogers, Anthony Laussat. "Variable speed diesel power generation design issues." 1996. https://scholarworks.umass.edu/dissertations/AAI9639021.
Full textLalnunmawii, H. "A study of teacher's attitude towards contemporary socio-political issues involving ethnic and regional variables." Thesis, 1996. http://hdl.handle.net/2009/1163.
Full textWu, Tsung-Yu, and 吳宗祐. "Emotional labor at work:Development of concept, analysis of related variables, and exploration of psychological process issues." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/68689523017514117158.
Full text國立臺灣大學
心理學研究所
91
The purpose of the study is to clarify the concept of emotional labor, analyze the relationships between emotional labor and other related variables, and explore psychological process issues about emotional labor. In study one, I use quantitative approach to explore the relationships between emotional labor and other variables on the basis of resource of conservation theory (COR). The variables include external job demand (frequency of contacting difficult customers), external job resource (training utility), individual differences (self-monitoring and ability to regulate other’s emotion), and psychological cost (emotional exhaustion). Through “Bottom-up” process, I develop emotional labor scale from hundreds of critical incidents and observational records. Using self-rating and other-rating strategies, I conduct questionnaire survey in a domestic commercial bank. The results show as following: (1)The content of emotional labor includes expressing positive emotions, controlling negative emotions, and handling others’ negative emotions at least; (2)Frequency of contacting difficult customers and training utility significantly predict emotional labor; (3)Emotional labor significantly predict emotional exhaustion; (4)Frequency of contacting difficult customers influence emotional exhaustion through the mediating process of emotional labor; (5)Self-monitoring moderates the relationship between frequency of contacting difficult customers and emotional labor; ability to regulate other’s emotion moderates the relationship between training utility and emotional labor. In study two, I use qualitative approach and grounded theory strategy to explore such issues as “how do employees do emotional labor in their jobs? Why doing so? How do employees change under the job roles of high emotional labor?” Through in-depth interview with 37 frontline workers, I find the following results: (1) There are three kinds of interpersonal events: courtesy, complaining, and rage. Different interpersonal events require different effort in emotional labor. (2) The strategies to facilitate “deep acting”(that is, expressing positive emotions from the bottom of heart) include entering others’ inner worlds, treating others as relatives and friends, believing in “I am a helper” or “the product is good“. The factors that interfere “deep acting” include not involving the job role, pretense in insincere social situation, aversion to others, and unspeakable misery about self. (3) The factors that make employees suppress anger include calculation of the outcomes, insistence on work ethics, consideration and empathy, and self-control. The factors that stimulate employees to explode with anger include instinctive response, strategic consideration, and reinforcement. When employees struggle in the inner conflict between suppression and explosion, they may use lots of indirect ways to express anger. Once the anger bursts out, the employees often adopt some cognitive or behavioral strategies to deal with the consequence of the explosion. (4) The transition events appear in long-term emotional labor job will change employee’s attitudes toward self and job, and the changing process include transcendence, decline, and reverse. Moreover, the results of the change will be reflected in four kinds of relationships between “work self” and “actual self”: conflict, extension, segregation, and integration.
Valluri, Madhavi Gopal. "Evaluation Of Register Allocation And Instruction Scheduling Methods In Multiple Issue Processors." Thesis, 1999. http://etd.iisc.ernet.in/handle/2005/1532.
Full textLi, Xuyuan. "Improving partial mutual information based input variable selection for data driven environmental and water resources models." Thesis, 2015. http://hdl.handle.net/2440/100723.
Full textThesis (Ph.D.) (Research by Publication) -- University of Adelaide, School of Civil, Environmental and Mining Engineering, 2015.
Strobl, Carolin [Verfasser]. "Statistical issues in machine learning : towards reliable split selection and variable importance measures / vorgelegt von: Carolin Strobl." 2008. http://d-nb.info/990271617/34.
Full textCowling, Michael Leith. "The estimation of the rate of return to education in China: an empirical analysis using instrument variable estimation with months of birth and its Issues." Thesis, 2014. http://hdl.handle.net/1885/14454.
Full textOberlander, Elizabeth M. "Understanding and predicting multitasking performance using non-cognitive variables addressing issues in past research and developing a new measure of individual polychronicity /." Diss., 2008. http://proquest.umi.com/pqdweb?did=1601147251&sid=1&Fmt=2&clientId=3552&RQT=309&VName=PQD.
Full textLing, Lien Hsiao, and 連曉苓. "A Case Study of How Customers Be Affected by Hotel Furnishing and Decoration Change on Perceived Value and Price Different Issue, As Personal Traits as an Intervening Variable." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/tmef53.
Full text國立中央大學
企業管理學系在職專班
103
By researching purpose as below, we made the adjustment with 8-category topics on room (e.g. bedroom, living room and bathroom) furnishings and display change. (1) Setting up different hotel furnishings and decoration, we analyze the effect under recipients’ perceived value and cost value. (2) By personality and different hotel furnishings/decoration change, we analyze the disturbing effect under recipients’ and cost value difference. (3) With personal background and different hotel furnishings/decoration change, we analyze the disturbing effect under recipients’ and cost value difference. Under questionnaire review, data collation and analysis, the major result shows as below: (1) By changing the sofa style in hotel living room, adjusting wall sticker decoration and bathroom view, and removing bathtub or not, we found recipient’s perceived value will be obviously affected. By changing the big or small toy in bedroom, adjusting the sofa style, table lamp color in living room and bathroom view, we found recipient’s cost value will be affected. We also found the recipient’s perceived value will be affected by bedcover color change, the painting removing or not. The view of bathroom and bathtub exist or stay simple, with independent variable reciprocal interaction, we found the disturbing effect under recipients’ and cost value difference. (2) Taking recipients’ personality and the hotel room (e.g. bedroom, living room and bathroom) furnishings change, we found their perceived value will be affected by adjusting bedroom bedcover on nervous constitution, extroversion, and kindness personality. Placing big or small toy, we found their perceived value will be affected by extroversion and openness characteristic. Adjusting the color of living room table lamp, we found their perceived value have significant deviation on extroversion and openness characteristic. Adjusting the sofa style and wall sticker in living room, we found their cost value will be affected by recipients’ nervous constitution. Making a good view in bathroom or not, we also found the great effect under recipients’ openness on perceived value difference. (3) Taking recipients’ personal background and Hotel room (e.g. bedroom, living room and bathroom) furnishings change, we found their customer- perceived value will be affected by how many brothers and sisters they have and age factor difference. Age located and education has a great effect on cost value difference. Adjusting painting has a big effect with marriage status on both cost and perceived value difference. Making the sofa style different in living room, we found their perceived value will be affected by age located and marriage status. The sibling rank, hometown could be affected by cost value. Making the wall sticker style different has affect recipients’ blood type on perceived value. Adjusting bathtub in bathroom will be effected by how many brothers and sisters they have, and we found a great effect on their perceived value.
Roberto, Magda Sofia Valadas Dominguez. "The role of individual and group level variables in healthcare profissionals' hand hygiene compliance: a multi-level perspective." Doctoral thesis, 2010. http://hdl.handle.net/10071/18202.
Full textA literatura demonstra que a não adesão à higiene das mãos aumenta as infecções hospitalares, contudo a investigação nesta área permanece dispersa. Este trabalho pretende conciliar os contributos da Teoria da Acção Planeada (TAP), modelo Precede-Proceed e abordagem de clima de segurança para analisar esta problemática (1) durante a formação de futuros profissionais de saúde; (2) a higiene das mãos como um comportamento que emerge de micro-sistemas (e.g. equipas de trabalho); (3) as especificidades entre diferentes categorias de profissionais; e (4) o impacto da experiência de trabalho na intenção de aderir. Pretende-se ainda aferir o papel da norma moral enquanto preditora da intenção, sendo testada como inibidora da adesão; e da percepção de vulnerabilidade como moderadora numa relação multinível para explorar o seu papel entre o clima de segurança de equipa e a adesão. Para além disso, iremos também avaliar a adesão reportada e observada. Serão apresentados cinco estudos cujos resultados indicam que (1) os preditores da intenção da TAP funcionam como mediadores transferindo o impacto do clima de segurança de equipa para a intenção; (2) a influência social é um preditor importante reforçando o papel dos “role models”; (3) os profissionais apresentam prerrogativas morais multi-facetadas que inibem a adesão, particularmente os médicos e estudantes de medicina; (4) a adesão reportada parece ser uma medida adequada para avaliar este comportamento devido à sua consistência com a adesão observada. No final, as variáveis que predispõem, facilitam e reforçam a adesão serão apresentadas relacionando a evidência empírica deste trabalho com a sua dimensão prática pela apresentação de medidas de intervenção.
Varela, Rute Miriam Campos. "Burnout em profissionais de saúde animal: um estudo integrativo com variáveis individuais, relacionadas com o trabalho e psicossociais." Master's thesis, 2020. http://hdl.handle.net/10071/21658.
Full textThe burnout syndrome affects thousands of professionals in different areas of work, and has therefore been widely studied in caregiving professionals, i.e., whose jobs involve the provision of care to others, since they appear to be at a greater risk of developing symptoms of this phenomenon (Freudenberg, 1974; Maslach, 2003). More recently, the interest in the study of this syndrome applied to animal health professionals arises (Kaufmannn, 2017). The aim of this investigation is to contribute to a better understanding of the factors that are predictors of burnout in two samples of animal health professionals, (a) veterinarians; and (b) veterinary nurses. Through two linear regression models, individual variables (sex, age and income), as well as variables related to their own work (hours of contact with suffering owners and animals, the issue of euthanasia, years of experience and workload) and psychosocial variables (belief in a just world, empathy, empathy for animals, meaning of work and identification with the profession), were introduced in three blocks seeking to verify its effect on the two distinct dimensions of burnout (i.e., exhaustion and disengagement). The obtained results show that the variables addressed have in fact a relevant impact on the burnout of these professionals, with the workload consistently representing a risk factor for both samples and in both dimensions of this syndrome, whereas identification with the profession represents a protective factor against burnout for both samples in both dimensions. The results obtained suggest the need to consider more integrative models with different types of variables in future investigations dedicated to this theme.