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An in depth evaluation of internal criteria for determining the number of clusters in a data set
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Clustering procedures partition data sets into groups, minimizing the distance within clusters while maximizing the distance between clusters. Clustering can be a powerful tool...
Differential effects of negative and positive affect on context processing
(University of Missouri--Columbia, 2007)
Context processing is thought to be a central component of cognitive control involved in maintaining goals. Context processing impairments have been implicated in psychopathology, with suggestions that the interaction ...
A transdiagnostic investigation of amygdala-vmPFC resting state functional connectivity and emotional distress in daily lives
(University of Missouri--Columbia, 2018)
Mood disorders, anxiety disorders and borderline personality disorder overlap in symptom criteria, are highly comorbid with one another, and group together in factor models of psychopathology (Kotov et al., 2011). These ...
Does ego threat increase paranoia?
(University of Missouri--Columbia, 2007)
The goal of the current research was to test whether an ego threat increases paranoia, whether the increase in paranoia was mediated by state self-esteem, and whether the increase in paranoia was moderated by the personality ...
The influence of positive mood and extraversion on different aspects of cognitive control
(University of Missouri--Columbia, 2009)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] There is some evidence that positive mood might influence cognitive control and that extraverts might perform better than introverts when experiencing a positive mood...
Social perspective-taking in the friendships of adolescents : implications for friendship quality and emotional adjustment
(University of Missouri--Columbia, 2009)
The current research considered social perspective-taking (i.e., taking the perspective of another person, and putting oneself "in their shoes") in youths' friendships and associations with friendship quality and emotional ...
Defending our place in nature: mortality salience and environmental concern
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Drawing from terror management theory, two studies explored the implications that our existential need to view humans as distinct from the rest of nature can have on responses...
Exploring the relation between social anxiety and depression in youth: the roles of friendship and peer acceptance
(University of Missouri--Columbia, 2005)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] This study examined whether problems establishing and maintaining positive, supportive relationships with peers may mediate the relation between social anxiety and depression...
The precision of retrieving temporal information : behavioral and electrophysiological studies
(University of Missouri--Columbia, 2020)
. Through four experiments, we adapted a paradigm for assessing the fine-grained precision of retrieval to understand the nature of judging the time at which a memory was encoded. Subjects studied a series of pictures and were subsequently tested on when...
The generalization of positive intergroup attitudes : reducing intergroup anxiety
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Contact settings that include equal status, cooperation/pursuit of common goals, acquaintance potential, and authority sanction can improve intergroup attitudes. However...
A bayesian investigation into inhibition mechanisms of contrast and assimilation
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The ability to inhibit distractors within an environment while focusing on specific information is crucial to proper functioning. In most inhibition tasks, such as Stroop, the to...
Testosterone and cortisol in coalitional competition
(University of Missouri--Columbia, 2008)
Fourteen teams of three young men competed in within-group and between-group videogame tournaments. Salivary cortisol and testosterone levels were assessed twice before and twice after each tournament, along with intelligence, ...
How syntactic structure and cue position affect working memory for connected discourse
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI--COLUMBIA AT REQUEST OF AUTHOR.] The current study explored working memory for connected discourse, as well as the potential roles of syntactic structure and cue position in such memory. Methods were...
Broadening the perspective on employee absenteeism : the effects of work group and nonwork factors
(University of Missouri--Columbia, 2009)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The present study examined employee absenteeism in relation to variables new to absenteeism literature while addressing several methodological issues highlighted...
Decreases in working memory capacity for sentence stimuli with adult aging
(University of Missouri--Columbia, 2007)
these two hypotheses by presenting participants with 4 types of spoken sentences for immediate free recall, varied by the number and length of chunks per trial: 4 short, simple sentences; 8 such sentences; 4 compound sentences, meaningfully comprised of two...
Transformative technology : examining the capacity of virtual reality induced awe to change self-transcendent values and improve hedonic and eudaimonic well-being
(University of Missouri--Columbia, 2020)
, compared to amusement, had the potential to change participant's self-transcendent values of universalism (e.g., preserving nature and a world at peace) and benevolence (e.g., honesty and concern for the welfare of others). The secondary purpose...
Cultural cognition : the epistemic function of worldviews
(University of Missouri--Columbia, 2019)
Cultural worldviews -- shared, symbolic systems of meaning that render life interpretable -- provide a great deal of knowledge about the world. Thus, the validity of one's worldview may affect the need to think. The present ...
The relationship between cortisol and social stress in late adolescent girls' friendships
(University of Missouri--Columbia, 2007)
encouragement of problem discussion (Rose, 2002). In study 1, two hundred six college women completed a series of questionnaires on their friendship, temperament, and relationship with their father. In study 2, a sub-sample was randomly assigned to tasks...
Ambulatory assessment of physical pain, emotional distress, and alcohol use
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The available research suggests that many individuals with chronic pain drink alcohol to manage their pain. However, few studies have examined the association of alcohol and pain...
Short and long-term effects of birth weight and neonatal medical complications on children's emotional and behavioral outcomes
(University of Missouri--Columbia, 2008)
Research consistently indicates that children born low birth weight are at increased risk for poor adjustment outcomes throughout development. Despite a relatively large literature, the mechanisms accounting for the ...