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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...
Adolescent suicide attempts and alcohol use : a developmental psychopathology perspective
(University of Missouri--Columbia, 2009)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The present study characterizes the extent to which the adolescent alcohol-suicide attempt relation varies across severity of suicide attempt (i.e., any suicide attempt vs...
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...
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...
Maintaining cross-domain objects and features in working memory : implications for storage in models of working memory
(University of Missouri--Columbia, 2007)
A great deal of evidence, both from behavioral studies of cross-domain interference and from neuroimaging, suggests the need for a domain-general store in models of working memory. Baddeley included such a store in an updated version...
Criminal behavior patterns of adolescents and young adults who have histories of sexual offenses
(University of Missouri--Columbia, 2008)
, moderate, and chronic) and that SOs generally did not have different criminal trajectories during adolescence and early adulthood than did nonsexual index offenders (NIOs). Similar proportions of SOs and NIOs were found on the three trajectories. Results...
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. ...
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...
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...
Who did what?: age-related differences in memory for people and their actions
(University of Missouri--Columbia, 2006)
. In order to extend the ADH to relatively dynamic stimuli, participants in the present experiments viewed a series of brief video clips, each showing a different person performing a different action. Memory for the actions, for the people, and for who did...
An assessment of inhibition in the Simon task
(University of Missouri--Columbia, 2009)
Different from some other context tasks, the Simon task is featured with a congruency effect decreasing with increasing RT. Ridderinkhof proposed a two route model to account for the negative slope of this congruency effect ...
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, ...
Two brief treatments based on dialectical behavior therapy for binge eating across diagnoses and thresholds : results from a preliminary randomized dismantling study
(University of Missouri--Columbia, 2009)
How can disordered eating be effectively treated? The answer is not yet clear. Although cognitive behavioral therap (CBT) is generally considered the treatment of choice, disordered eating has been show to persist and re-emerge following CBT...
Post-encoding interference and the persistence of emotional memory encoding
(University of Missouri--Columbia, 2022)
Research on the emotional enhancement of episodic memory has largely focused on the inherent stimulus characteristics that might contribute to this effect. Less attention has been devoted to assessing the contributions of more general encoding...
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 ...
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...
Keeping your eyes on the prize versus your nose to the grindstone : the effects of level of goal evaluation on mood and motivation
(University of Missouri--Columbia, 2007)
Though higher level, primary goals provide meaning and direction for a person, evaluating progress on that primary goal versus a sub-goal is risky. Study 1 was a 2 x 2 experiment in which framing level (sub-goal or primary ...
Rural and urban breast cancer patients: differential relationships between coping responses and psychological adjustment
(University of Missouri--Columbia, 2007)
and survivors. Some of the findings derived from the studies of urban women may generalize to their rural counterparts; yet rural breast cancer patients are likely to have distinct experiences that influence their physical and psychological well...
Intuition and facial feedback
(University of Missouri--Columbia, 2010)
Smiles and frowns are typically thought of as expressions of underlying emotional states. Yet there is strong evidence that these and other facial expressions play a role in emotional experience itself. Several facial ...
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...