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Dissertations / Theses on the topic 'Undesirable behaviours'

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Published: 4 June 2021

Last updated: 4 February 2022

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1

Lajoie-Mazenc, Thibaut. "Increasing the robustness of the Bitcoincrypto-system in presence of undesirable behaviours." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-197365.

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Decentralised cryptocurrencies such as Bitcoin offer a new paradigm of electronic payment systems that do not rely on a trusted third-party. Instead, the peers forming the network handle the task traditionally left to the third-party, preventing attackers from spending twice the same resource, and do so in a publicly verifiable way through Bitcoin's main innovation, the blockchain. However, due to a lack of synchrony in the network, Bitcoin peers may transiently have conflicting views of the system: the blockchain is forked. This can happen purely by accident but attackers can also voluntarily create forks to mount other attacks on the system. In this work, we describe Bitcoin and its underlying blockchain protocol; we introduce a formal model to capture the normal operations of the system as well as forks and double-spending attacks. We use it to define Bitcoin's fundamental properties in terms of safety, liveness and validity. We present the current state of the system: first, we analyse some of the most prominent works that academia has produced between 2008 and 2016, as well as some promising leads to improve the system; then, we use the results of a measurement campaign to show that the size of the network is relatively stable because join and leave operations compensate each other, and that blocks propagate to most of the network in a matter of seconds. We further compare our results to those usually accepted by the community. We introduce a Bitcoin network simulator that we have implemented and present the experiment we have performed to validate it. Finally, we propose a modification to Bitcoin's operations that can prevent double-spending attacks and forks without giving up on its main ideological principles, decentralisation and the absence of source of trust.

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2

Davison, Matthew Alan. "Reducing Undesirable Behavior with Stimulus Control." Thesis, University of North Texas, 2012. https://digital.library.unt.edu/ark:/67531/metadc115065/.

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The present experiment investigated the application of Green and Swets (1966) signal-detection theory to undesirable behavior as a method of reducing unwanted behaviors using reinforcement and extinction. This experiment investigated the use of this stimulus control technique to reduce undesirable behaviors using a multiple-baseline design. Once the cue for a target behavior was established and maintained, the use of the verbal cue was reduced in frequency and the rate of unprompted undesirable behavior was recorded. Generalization was tested across multiple people. Data for this experiment showed that undesirable behavior could be reduced by altering the stimulus control that maintained it.

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3

Dutton, Paul. "Does forage enrichment promote increased activity in captive capuchin monkeys (Cebus apella)?" Diss., Lincoln University, 2008. http://hdl.handle.net/10182/779.

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In their native habitat of Central and South America, capuchin monkeys (Cebus) spend 45% to 55% of their day foraging and a further 20% travelling. Once these monkeys are introduced into captive environments their diets are selective, seasonal and presented to them by their keepers. The captive environment often leads to various behavioural abnormalities and compensatory behaviours or stereotypies. To address this issue, environmental enrichment can be employed to reduce, cure or prevent such an occurrence. Enrichment can reduce stress, while increasing animal well-being and health in captivity. Despite previous work a better understanding of enrichment, for most neo-tropical primate species, is necessary, in order to improve their captive lifestyles. Feeding of captive primates is more complex than providing a balanced nutritional diet as it must also meet their ethological needs. The manipulation of the presentation of the diet has been shown to significantly decrease the incidence of resting, while significantly increasing the incidence of playing, grooming, foraging and manual manipulation of dietary items. Eleven capuchin monkeys were presented with four different feeding treatments (i.e. cut food presented in bowls, cut food presented around the enclosure, uncut food presented around the enclosure and novel feeding devices presented around the enclosure) from December 2007 until May 2008. At the start of every month one of three feeding treatments was introduced with the cut food in bowls feeding treatment interleaved between the treatments. The different feeding treatments required the monkeys to search for their food, break-up their food into manageable sizes, and obtain food in touch-, tool- and manipulative-dependent methods in order to allow the monkeys an opportunity to display increased activity more in line with their wild conspecifics. The capuchins displayed a period of intense foraging directly following feeding. This period significantly increased (from 44 to 121 min.), along with foraging events and the proportion of time spent foraging, which was more in line with their wild conspecifics. In addition, the frequency of occurrence and the proportion of time spent on locomotion and resting was shown to decrease. Also, abnormal behaviours ceased to occur during the study. Environmental enrichment is a useful tool for providing stimulation, redistributing activity levels more in line with wild conspecifics and to combat abnormal and compensatory behaviours.

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4

Martin, Allison L. "Functional analysis and treatment of human-directed undesirable behaviors in captive chimpanzees (Pan troglodytes)." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26687.

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Thesis (M. S.)--Psychology, Georgia Institute of Technology, 2009.
Committee Chair: Maple, Terry L.; Committee Member: Bloomsmith, Mollie A.; Committee Member: Kelley, Michael E.; Committee Member: Marr, M. Jackson. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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5

Cassella, Christine M. "Relationships Among Captive Orangutan Diets, Undesirable Behaviors, and Activity: Implications for Health and Welfare." Case Western Reserve University School of Graduate Studies / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=case1333656271.

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6

Westover, Frances Marie. "Group intervention to modify undesirable behavior in children who have experienced parental loss." CSUSB ScholarWorks, 1996. https://scholarworks.lib.csusb.edu/etd-project/1172.

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This study uses a cognitive group intervention approach in an attempt to alter anti-social behavior in elementary school children who experienced parental loss. The findings demonstrate improvement in some behaviors and worsening in others.

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7

Stenberg, Stina. "Antisocial behaviors and substance abuse among mentally illoffenders - an undesirable role in time of treatment?" Thesis, Örebro universitet, Institutionen för medicinska vetenskaper, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-93346.

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Introduction Offenders who suffer from a severe mental illness are sentenced to forensic-psychiatric careinstead of imprisonment. A severe mental illness is a legal term determined by type anddegree of the psychiatric illness. Forensic-psychiatric care ends when signs of severe mentalillness is no longer present. Antisocial behaviors and mental illness due to substance abuse isnot regarded as severe by law but can arguably delay discharge from care. Aim To investigate whether time in treatment for offenders sentenced to compulsory forensicpsychiatriccare is prolonged by a propensity for substance abuse and antisocial behaviors. Methods Extended §7-evaluation dictums from 2017 have been reviewed. Data concerning substanceabuse and antisocial tendencies was assessed to assort offenders in two subgroups with lowestdegree contra highest degree of additional problematic behaviors. The two subgroups andtime in treatment collected through the Swedish National Forensic Psychiatric Register wascombined in a Kaplan-Meier estimator through SPSS. Results Median time in treatment for offenders with highest degree of additional problematic behavioras in substance abuse and or antisocial tendencies was 1048 days (range 1075). Since nodischarge has occurred, median time to discharge could not be estimated. Median time todischarge for offenders with lowest degree of additional problematic behavior was 760 days(range 532). Conclusions The study could not find time in treatment among severe mental ill offenders to be longer foroffenders with additional substance abuse and or antisocial characteristics of crime in relationto offenders without.

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8

Ivanauskaitė, Rita. "Arklių nenormalaus elgesio priežasčių analizė." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2014~D_20140305_135417-74430.

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Arklių nenormalaus elgesio priežasčių analizė. Baigiamojo darbo apimtis 48 lapai, iš viso 24 lentelės ir 13 paveikslų, naudota 30 literatūros šaltinių. Baigiamojo darbo tikslas - išanalizuoti nepageidaujamą arklių elgesį sukeliančias priežastis. Tyrimo metu buvo ištirti 25 arkliai, kurie rodė nepageidaujamą elgesį. Visi atvejai buvo suskirstyti į tris grupes: oralinę stereotipinę elgseną rodantys, motorinę stereotipinę elgseną rodantys ir kitą nepageidautiną elgseną rodantys arkliai. Išsiaiškintos tirtų arklių laikymo sąlygos, įvertinta jų gyvenamoji aplinka, šėrimas, sveikatingumas, paimti ir ištirti kraujo ir išmatų mėginiai. Tyrimo metu nustatyta, kad nepageidaujamai elgsenai susiformuoti įtakos turi gyvenamosios aplinkos stimuliacija, netinkamas šėrimas, nepakankamas mocionas ir socialinis kontaktas bei parazitų invazija.
Analysis of the causes of abnormal behaviour in horses. Masters thesis volume 48 sheets, in content 24 tables, 13 pictures, used 30 literary sourse. The aim of thesis is to analyze causes of undesirable equine behaviour. In study was investigated 25 horses, who showed signs of undesirable behaviour. All cases was divided into three groups: oral stereotypic behaviour, locomotor stereotypic behaviour and other undesirable behaviur. The housekeeping conditions, feeding, healthy was investigated. Also kept samples of blood and feaces. The study showed that undesirable horse behaviour develops of living environment stimuli, unbalanced feeding, poor movement and social environment and also parasites invasion.

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9

Stone, Brett A. "Reduce Challenging Behaviors and Enhance Functioning in Youth with an Intellectual Disability: A Meta-Analysis of Behavioral Interventions Using Single Case Design." Scholar Commons, 2018. https://scholarcommons.usf.edu/etd/7368.

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Approximately 1.8% of students in the public school system have an intellectual disability or Autism Spectrum Disorder. These disabilities cause impairment in multiple domains of functioning. If these students also have challenging behaviors, such as noncompliance, aggression, and stereotypies, these behaviors have been found to cause impairment over and beyond those of the core symptoms associated with the disability. Challenging behaviors in youth with developmental disabilities do not typically subside on their own and need intervention. Thankfully, there are evidence-based behavioral interventions for individuals with developmental disabilities to reduce challenging behaviors and increase more functional behaviors including Applied Behavioral Analysis, Functional Behavioral Analysis, and School-Wide Positive Behavioral Support and Interventions (SWPBIS). There has been much research and positive effects found on the effectiveness of behavioral interventions for individuals with developmental disabilities, and there have been numerous meta-analyses conducted to synthesize these results. However, there have been only a few meta-analyses examining the effectiveness of school-based behavioral interventions for youth with developmental disabilities. A gap in the literature exists in understanding the effectiveness of behavioral interventions in schools from a SWPBIS perspective for youth with developmental disabilities. There also is a need to examine a wider range of dates and to examine the use of parametric statistical metrics. The current study addressed these issues by conducting a meta-analysis of single-case design studies over approximately the past 20 years to add to the current understanding of the effect of school-based behavioral interventions on behavioral outcomes of youth with developmental disabilities. Additionally, moderator analyses were conducted on numerous participant, intervention, and study characteristics that have been deemed important in the literature. The effect size of behavioral interventions on youths’ behavioral outcomes was determined through the use of a parametric statistical method, hierarchical linear modeling. The effect size was found to be large for a single case design synthesis of 3.31 and there were two moderating effects located, one being the type of classroom a participant was educated in and the other the type of specific outcome studied. The current study is important for decision makers in schools in terms of deciding on the specifics of behavioral interventions for youth with an intellectual disability. Additionally, the results of the study may be pertinent to other practitioners who work with youth is schools and their caregivers so that they can utilize school-based interventions to help increase the presentation of appropriate behaviors and reduction of challenging behaviors.

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10

Ahrend, Nadine [Verfasser], Waldemar [Akademischer Betreuer] Toporowski, Maik [Gutachter] Hammerschmidt, and Till [Gutachter] Dannewald. "Desirable and Undesirable Effects of Product Presentation Tools on Online and Offline Behavior / Nadine Ahrend ; Gutachter: Maik Hammerschmidt, Till Dannewald ; Betreuer: Waldemar Toporowski." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2019. http://d-nb.info/1179449290/34.

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11

Ahrend, Nadine Verfasser], Waldemar [Akademischer Betreuer] [Toporowski, Maik [Gutachter] Hammerschmidt, and Till [Gutachter] Dannewald. "Desirable and Undesirable Effects of Product Presentation Tools on Online and Offline Behavior / Nadine Ahrend ; Gutachter: Maik Hammerschmidt, Till Dannewald ; Betreuer: Waldemar Toporowski." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2019. http://nbn-resolving.de/urn:nbn:de:gbv:7-11858/00-1735-0000-002E-E5AE-6-4.

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12

Sahel, Rashed Ali. "Group counselling/therapy as a technique to modify the undesirable school behaviour (school phobia) of children at elementary school level in the State of Kuwait." Thesis, Bangor University, 1989. https://research.bangor.ac.uk/portal/en/theses/group-counsellingtherapy-as-a-technique-to-modify-the-undesirable-school-behaviour-school-phobia-of-children-at-elementary-school-level-in-the-state-of-kuwait(d7c8bc44-31c7-46af-afa8-25a5d27f773a).html.

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School phobia is seen as one of the most common problems amongst children at elementary school. It affects children's behaviour, feelings and attitudes towards school. Children suffering from a school phobic problem usually show negative feelings and behaviour against school. School phobic children avoid attending school. They tend to use different techniques every morning in order to gain their parents' support for not attending school. These children feel that something frightening will happen to them if they attend school, but actually there is no basis for their feelings. This research attempted to introduce Rogerian group counselling in treatment of the problem of school phobia. The sample comprised 76 school phobic children. They were divided randomly into two groups: an experimental group in which there were 37 school phobic children, and a control group in which there were 39 school phobic children. The experimental group children experienced 14 counselling sessions. There were three main aims of this research. First, to assess the use of Rogerian group counselling with young children who suffered from school phobia. This study tried to investigate whether or not Rogerian group counselling can help elementary school children to eliminate their undesirable behaviours. The second goal of this study was to examine the relationship between school phobia and children's school achievement and absence. Thirdly, the research attempted to examine children's ability to take responsibility for their own behaviour and their ability to make their own decisions for self-direction. The results of this study showed that the majority of school phobic children who joined the experimental group improved their school achievement and decreased their absences from school. In addition, such children developed their skills and abilities in school (e. g. taking responsibility and participating in school activities). The results revealed that the group counselling technique was a suitable method for school phobic children in reducing their school phobia problem and related undesirable behaviours in school (e.g. absence, poor social relationship).

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13

Beck, Lisa Marie. "Prediction of socially undesirable behaviors :: cheating, shoplifting, and lying." 1989. https://scholarworks.umass.edu/theses/2183.

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14

Ahrend, Nadine. "Desirable and Undesirable Effects of Product Presentation Tools on Online and Offline Behavior." Doctoral thesis, 2019. http://hdl.handle.net/11858/00-1735-0000-002E-E5AE-6.

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15

Collins, Jamie D. "Social capital's dark side: knowledge, reciprocity, and the liability of relationships." Thesis, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1163.

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Social capital resources for the firm can be conceptualized as those executive-to-executive connections held by a firm’s top management team, as well as firm-to-firm relationships that exist fairly independently of particular individuals. This type of resource can compose an important portion of any firm’s overall resource portfolio. The potential benefits associated with social capital include enhanced economic exchange opportunities, improved innovation capabilities and increased firm survival rates, among others. This study adds to the literature stream focusing on the positive consequences of social capital by demonstrating the cross-level influence of social capital on the development of reciprocity within a joint venture network. It also highlights the link between social capital resources and the quality of knowledge available to a firm via its joint venture partnerships. More importantly, though, we specifically investigate the conditions under which a firm’s social capital (firm-to-firm relationships or the social capital held by key executives) can contribute to undesirable firm-level behaviors. One often mentioned, yet rarely explored dimension of social capital is the phenomenon frequently called the ‘dark side’ of social capital. This dark side of social capital is argued to exist whenever the behavioral expectations accompanying social capital limit contribute to undesirable outcomes for the firm. Several hypotheses are tested in the context of joint ventures among S&P 500 firms. The likelihood of a firm having legal action taken against it by federal regulatory agencies or other firms is demonstrated herein to be related to the number and strength of social capital relationships. In general this research supports the view that having a large number of weak ties is beneficial for firms. More specifically, we found that in the wake of the passage of the Sarbanes-Oxley Act of 2002, an inverse relationship exists between the likelihood of firms engaging in the undesirable behaviors investigated and the number of Boards of Directors on which the firms’ respective executives held seats. Conversely, firms were more likely to engage in these undesirable behaviors whenever the firm-to-firm ties within their network of joint ventures were strongest. Furthermore, executive discretion was highly related to the likelihood of firms engaging in undesirable behaviors.

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