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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)
for data reduction or hypothesis generation, however, there is a strong assumption that the number of clusters is known before clustering can occur. In order to combat this issue, many clustering indices have been developed to aid researches in identifying...
Construal levels and the reactivity of state self-esteem to positive and negative experiences
(University of Missouri--Columbia, 2010)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The reactivity of state self-esteem has been linked to a number of important psychological outcomes, ranging from general well-being to psychological dysfunction. The present...
Effect of SA 4503 on the locomotor stimulatory and discriminative stimulus properties of psychostimulants
(University of Missouri--Columbia, 2010)
Methamphetamine and cocaine exhibit affinity (Ki value [almost equal to] 2.2 and 2.0 [mu]M, respectively) for [delta]1 sigma receptors. Sigma receptors mediate the neurotoxic properties of methamphetamine, and the convulsive ...
A Bayesian hierarchical model of lexicographic choice
(University of Missouri--Columbia, 2017)
I present a lexicographic, threshold-based model of choice used to evaluate decision makers' preferences among risky alternatives. Using a hierarchical Bayesian frame-work, this model is able to account for observed ...
A bayesian investigation into inhibition mechanisms of contrast and assimilation
(University of Missouri--Columbia, 2018)
information affects judgements. It is asked whether inhibition across contrastive and assimilative tasks have common underlying mechanisms or if they are distinct processes. A series of Bayesian hierarchical models were used to conduct a correlational analysis...
Ecological momentary assessment of affective instability, impulsivity, and alcohol use in borderline personality disorder
(University of Missouri--Columbia, 2010)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The present study examined the momentary and within-day relationships between mood states, impulsivity, and alcohol use. Participants included 48 ...
Considering cultural factors in the links between disclosure and relatinship quality in U.S. Latinx families
(University of Missouri--Columbia, 2019)
As the population of Latinx youth and families continues to grow within the United States, the more necessary it is to understand the dynamics of these families, especially given the positive impact that family support has ...
Associations between maternal awareness and children's fearfulness and anxiety
(University of Missouri--Columbia, 2010)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Fearful temperament in the toddler years is a well-established precursor to risk for childhood anxiety. Less is known about the mechanisms by which ...
Electrophysiological studies of identifying and modulating the preparatory strategic processes involved in episodic memory retrieval
(University of Missouri--Columbia, 2018)
Successful retrieval of episodic memories has been shown to depend on the overlap between the processes engaged during encoding and those re-engaged during retrieval. The ability to strategically adapt cue processing to ...
The log in my eye : awareness, acceptance, and correction of partisan political bias
(University of Missouri--Columbia, 2019)
asked people how acceptable they believe it is to make a judgment influenced by irrelevant political information. Study 1 asked participants to make a series of judgments, some more subjective (evaluating quotes) and others more objective (assessing...
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 ...
Implementation of a low-cost, web-based, multi-component training for trauma-focused cognitive-behavioral therapy
(University of Missouri--Columbia, 2018)
Although continuing education appears to be a promising strategy for closing the research-to-practice gap, effective trainings that result in clinician behavior change remain expensive and largely inaccessible. The current ...
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 ...
Common and specific alcohol risk factors in African Americans and Caucasians
(University of Missouri--Columbia, 2010)
Considerable research evidence shows that the alcoholism risk process differs for African Americans and Caucasians (Bachman et al., 1991; Wallace et al., 2003). The current study was designed to test a model examining ...
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 ...
The impact of violent video games on executive functioning and aggression
(University of Missouri--Columbia, 2010)
Previous research suggests a causal link between violent video games and aggression (Anderson; 2004; Anderson & Bushman, 2001), but the underlying mechanisms remain unclear. Here, even-related brain potentials (ERPs) were ...
The effects of tetrahydrobiopterin (BH4) treatement on nonverbal working memory-related brain activations and connectivity in individuals with phenylketonuria
(University of Missouri--Columbia, 2016)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Previous research suggests that phenylketonuria (PKU) is associated with disruptions in structural and functional connectivity that may contribute to ...
Does hangover have an acute impact on future drinking?
(University of Missouri--Columbia, 2010)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Hangover is a common adverse effect of excessive drinking. According to popular culture, hangover purportedly leads to resolutions to quit drinking ...
A specificity principle of memory : evidence from aging and associate memory
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The ability to remember associations among components of an event lies at the core of episodic memory (Tulving, 1983), and this ability declines with ...
Structural-morphometric examination of thalamic nuclei in individuals with autism spectrum disorders
(University of Missouri--Columbia, 2017)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The thalamus has been implicated as a potential source of neural disruption in autism spectrum disorders (ASD). This subcortical nuclear complex is ...