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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 ...
Multilevel models for intensive longitudinal data with heterogeneous error structure : covariance transformation and variance function models
(University of Missouri--Columbia, 2008)
Recent developments in data collection methods in the behavioral and social sciences, such as Ecological Momentary Assessment (EMA) enables researchers to gather intensive longitudinal data (ILD) and to examine more detailed ...
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...
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...
Inhibitory control in male and female adolescents with autism spectrum disorder (ASD)
(University of Missouri--Columbia, 2022)
with and without ASD. A sample of 44 adolescents (25 males, 19 females) with ASD and 45 adolescents without ASD (22 males, 23 females) participated. Participants completed a computerized flanker visual filtering task and a go/no-go task, which assessed RIVD...
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...
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 ...
Leveraging rhetorical style to reduce the existential threat of inclusive messaging
(University of Missouri--Columbia, 2021)
on meaning in life. Study 3 (N = 556) sought to conceptually replicate these patterns in the context of university identity. Implications and future direction for the science of ideology, well-being, and diversity, are discussed....
A behavior genetic study of self-harm, suicidality, and personality in white and African-American women
(University of Missouri--Columbia, 2006)
This study is an examination of genetic and environmental risk leading to suicidal and self-harm behaviors in a representative sample of female young adult twins, and racial differences in the strength of those risk factors. ...
Unconscious information progressing in working memory
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Conventionally, the contents of working memory (WM) have been viewed as tightly coupled with conscious awareness. However, recent experimental findings regarding unconscious...
A hierarchical Bayesian analysis of multiple order constraints in behavioral science
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Psychology is an empirical science, and oftentimes the main target of interest is an empirical effect. For example, we may be interested in human perception and ask participants...
Forgetting in short term memory : the effect of time
(University of Missouri--Columbia, 2008)
Forgetting in short-term memory has been studied extensively and yet no consensus has emerged to explain its cause. Two theories continue to provide competing explanations of forgetting in short-term memory: decay and ...
Secondary benefits of family member participation in treatments for childhood disorders : a multilevel meta-analysis
(University of Missouri--Columbia, 2020)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI-COLUMBIA AT REQUEST OF AUTHOR.] Family-based treatments for children with mental health, physical health, and developmental disorders often convey secondary benefits to caregivers and siblings who...
The impact of gender and traditional norm adherence on event-level alcohol outcomes
(University of Missouri--Columbia, 2021)
Men consume more alcohol than women, both globally and within the United States specifically, experience different patterns of social problems from drinking, and differ in their risk for developing alcohol use disorder ...
Is accuracy in fertility detection mediated by differences in the mate value of the rater and target?
(University of Missouri--Columbia, 2009)
I propose the existence of a perceptual bias in men toward detecting fertility status in women of similar mate value. To test this hypothesis, 153 male undergraduates (raters) chose which of two photographs of the same ...
Low sensitivity to, and craving for, alcohol in naturalistic and laboratory settings
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Low sensitivity to alcohol is a well-established risk factor for the development of an alcohol use disorder. This risk is transmitted along several routes included...
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 impairments in working...
Evaluation of vmpfc-amygdala resting state functional connectivity as a transdiagnostic moderator of momentary sadness and rumination
(University of Missouri--Columbia, 2020)
Rumination has been identified as a transdiagnostic feature of emotional distress disorders that exacerbates symptoms of anxiety and depression. It is thought that rumination may be due in part to heightened resting state ...
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...