Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 73 for “"prior exposure"”.
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The effects of prior exposure to amphetamine on feeding behavior in rats
… this investigation was to explore the effects of prior exposure to amphetamine on subsequent stress-induced and free feeding of regular chow or palatable cereal. After treatment with 5 injections of either d-amphetamine (3 mg/kg IP) or saline, administered on alternate days, animals in Experiments …
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Effects of Prior Exposure to Predatory Chemical Cues on Territorial and Foraging Behaviors of the Ozark Zigzag Salamander, Plethodon Angusticlavius
… with predatory chemical cues. I predicted that prior exposure to a predator cue would also affect the subsequent behavior of these salamanders. I collected chemical cues from ringneck snakes (Diadophis punctatus) which are known predators of these salamanders. Salamanders were exposed to either …
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Peer and Media Exposure to Nonsuicidal Self-Injury and Suicide Attempts in Adolescents
… suicide. Research has shown that peer and media exposure to NSSI and suicide are both related to engagement in these dangerous behaviors. Our study examined the relationship between specific types of exposure to NSSI and suicide and engagement in these behaviors among inpatient adolescents. …
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The Effects of Cueing Learners to a Transfer Problem Prior to Instruction
Prior research indicates that cueing or priming an individual prior to exposing them to a basic stimulus, either visual or verbal, will direct their perception and attention toward specific aspects of that stimulus. Furthermore, it suggests that those aspects of the stimulus that are attended or …
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ANTI-MOSQUITO BEHAVIOR OF ADULT AND JUVENILE WHITE-FOOTED MICE (PEROMYSCUS LEUCOPUS) (TREEHOLE MOSQUITO, AEDES TRISERIATUS, EPIDEMIOLOGY)
… of such behavior in mice based on age, prior exposure to mosquitoes, and immediate environment.</p><p>I used wild-stock Aedes triseriatus mosquitoes, reared in lab, in experiments with four groups of mice: (1) wild-caught adult males in a barren enclosure; (2) wild-caught adult males in …
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Entrepreneurship Intentions Amongst South African TVET Students: An Application of the Theory of Planned Behaviour
… factors (demographics, community valuation, prior exposure to entrepreneurship and COVID-19 perceptions) were included as control variables within the model to assess the utility of the TPB. Student participants (N = 128) completed an online survey administered through two institutions in the …
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Attitudes and Moral Development During a College Course on Human Sexuality
… class presentation for all topics. Repetitive exposure to information about sexual coercion was significant for higher attitude scores for participants reporting little prior exposure and considerable prior exposure, and lower attitude scores for participants reporting only some prior exposure. …
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Attitudes, Beliefs, Perceived Risk, and Knowledge of Colorectal Cancer in an Adult Population in a Northern Plains Community
… status, educational level occupation, and prior exposure to colorectal; (b) attitudes and beliefs about colorectal cancer, including fear of the cancer situation, stigma associated with the diagnosis of cancer, and the feeling of hopelessness associated with the disease; and (c) the …
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Effectiveness of the classroom communication resource in changing primary school learners' attitudes towards children who stutter after one month: A feasibility study
… the changes were linked to gender or having exposure to a person who stutters. The evidence confirmed that the SROM was a valid and reliable outcomes measure. Attitude changes after the administration of the CCR were analysed through inferential statistics. A significant positive change in …
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Eye Movement-Based Memory Assessment: The Use of Eye Movement Monitoring as an Indirect Measure of Memory
… memory effect scales with the amount of prior exposure, and shows that these effects can be observed even when using the same images as repeated or novel items, between participants. Experiments 4 and 5 show that these effects of prior exposure are observed separately from explicit …
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Effects of Prior Conditions on Self -Injurious Behavior in Subsequent Analyses
… was to systematically examine the impact of prior exposure to various conditions on subsequent responding within analogue analyses. Functional analysis analogue conditions were divided into two segments (reinforcer-absent and reinforcer-present). The occurrence of challenging behavior in each …
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Recognition without recollection
… were conducted to explore the effects of prior exposure to word stimuli on a) identification of the words under perceptually impoverished conditions, and b) recognition of the words as having been previously presented. In Experiment 1, distributing a two-second study duration between two …
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Determining organic vapor cartridge breakthrough characteristics of JP-8 during aircraft fuel tank entry operations
… of (1) high relative humidity conditions and (2) prior static exposure to fuel vapor were evaluated.;This study concluded that the 80 percent relative humidity test condition had a statistically significant effect on breakthrough time versus the 50 percent relative humidity condition, reducing …
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Fixed-interval performance as a function of previous temporal discrimination training
… assessed whether FI performance is influenced by prior exposure to a temporal discrimination procedure. Pigeons first were exposed to a two-key free-operant psychophysical procedure for two sessions per day. Each trial lasted 60 s and reinforcement was available according to a variable-interval …
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Understanding polycyclic aromatic hydrocarbon degradation by soil microbial communites: the concentration and distribution of aromatic dioxygenase genes
… and between sites to examine response to PAH exposure. Prior exposure, indicated by active 14C phenanthrene mineralization, was determined by radiorespireometry. The nidA gene was locally predominant over nahAc (p<0.01), and was detected at every sample site, while nahAc was much more variable …
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A Study of the Opinions of Alabama Certified Registered Nurse Anesthetists Regarding Selected Factors Related to Chemical Dependency.
… knowledge of the risk of chemical dependence. Prior exposure of the respondent to a chemically dependent individual was associated with significant bias and a minimum understanding of the risk of chemical dependence among nurse anesthetists. Questionnaire results did reveal a strong element of …
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Help-Seeking Behavior Following a Community Tragedy: An Application of the Andersen Model
… that predicted service use. Female gender, prior exposure to traumatic events, higher pre-event functioning, higher social support, higher levels of posttraumatic stress and higher psychological distress were found to be predictive of higher probability of service use. Exploratory hypotheses …
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Gene expression profiling approach towards enhancement of malaria vaccine development
… malaria is thus a major global public health priority. This dissertation describes three gene expression profiling experiments using RNA sequencing technology (RNASeq) applied to samples collected during clinical trials performed at the CAUCASECO research center in Cali, Colombia. In each …
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Catalyzing entrepreneurship from the ground up : an experiment in small-town India
… entrepreneurs. Can more of such youth, with no prior exposure to entrepreneurship, be catalyzed into starting new ventures? If so, how? These questions are addressed in this study with a particular focus on engineering student communities in small town India. By conducting experiments we test …
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