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Cognitive load and time based forgetting
(University of Missouri--Columbia, 2009)
Recently, various researchers have claimed that time does not play a direct role in shortterm forgetting. Instead, they claim that time is only related to forgetting because it is correlated with other factors that cause ...
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...
Dopamine and emotion processing in schizotypal anhedonia
(University of Missouri--Columbia, 2009)
anhedonia (n = 40) reported less intensity of positive affect than both controls (n = 30) and people with elevated perceptual aberration-magical ideation (n = 29). Social anhedonia was also associated with providing less emotional content when describing...
Working memory availability and quality control in children's production of passive sentences as novices
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Working memory (WM) is widely accepted as a necessary cognitive resource for a vast amount of cognitive abilities. Developmental work has shown that as WM capacities increase, so...
Alcohol consumption, executive function and risky decision making
(University of Missouri--Columbia, 2009)
were 96 male and female adults ages 21-35. Ps completed several self-report measures of risky behavior and executive function before being assigned to one of three beverage conditions: a no-alcohol control beverage, an active placebo beverage...
Is maturing out of problematic alcohol involvement related to personality change?
(University of Missouri--Columbia, 2008)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Problematic alcohol involvement typically peaks in the early 20s and declines with age. This "maturing out" of alcohol involvement is usually attributed to individuals' attaining...
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...
Extrinsic and intrinsic values, forecasts, and experiences: an experimental approach
(University of Missouri--Columbia, 2009)
A study was conducted wherein participants with different values were provided with either a value-congruent or a value incongruent experience in the form of a chance to choose an Apple Itune song download, which they were ...
The ability of an extinguished CS and a CS given conditioned inhibition training to pass tests for inhibition
(University of Missouri--Columbia, 2019)
common procedure for producing CI. In this procedure, a nontarget CS (CS A) is paired with the US and then CS A is presented with the target CS (CS X) without the US. Therefore, AUS trials and AX-noUS trials are given. CS X acquires inhibitory properties...
The impact of violent video games on executive functioning and aggression
(University of Missouri--Columbia, 2010)
undergraduates who were randomly assigned to play a nonviolent or violent video game for 20 min prior to completing a go/no-go spatial Stroop task and an impulsive aggression task. Task order was manipulated between subjects. Results showed that, relative...
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 ...
Mood and urgency effects on activation of alcohol cognitions
(University of Missouri--Columbia, 2009)
Mood states influence many aspects of human behavior, including decisions to drink alcohol. Alcohol-related cognitions have been shown to be activated by positive and negative mood states (Birch, Stewart, & Zack, 2006), ...
Associations between psychosis risk and emotional distress disorders with cortical surface morphometry
(University of Missouri--Columbia, 2020)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI-COLUMBIA AT REQUEST OF AUTHOR.] Neuroimaging studies have consistently found structural cortical abnormalities in schizophrenia, especially in structural hubs. However, it is unclear what...
Gut feelings and goal pursuit : a path to self-concordance
(University of Missouri--Columbia, 2008)
Two studies examined the role of gut feelings within the self-concordance model of goal pursuit (Sheldon & Elliot, 1999). Using a correlational design, Study 1 found that pursuing goals based on a gut feeling is positively ...
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, ...
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...
Psychosis risk is associated with decreased white matter integrity in corticostriatal tracts
(University of Missouri--Columbia, 2018)
Psychosis is associated with increased striatal dopamine and it is thought that altered connectivity between the striatum and the cortex could contribute to psychosis. In particular, there is theory and research linking ...
The relations of violence exposure, trauma symptoms and aggressive cognitions to youth violent behavior
(University of Missouri--Columbia, 2005)
Studies show that adolescents in the United States are disproportionately represented among both the victims and the perpetrators of violent crimes (U.S. Department of Justice, 2002). Studies also show that previous exposure ...