Cognitive Psychology Commons^™

Distance Effects In Similarity Based Free Categorization, Benjamin Alan Miller

Electronic Theses, Projects, and Dissertations

This experiment investigated the processes underlying similarity-based free categorization. Of particular interest was how temporal distance between similar objects affects the likelihood that people will put them into the same novel category. Participants engaged in a free categorization task referred to as binomial labeling. This task required participants to generate a two-part label (A1, B1, C1, etc.) indicating family (superordinate) and species (subordinate) levels of categorization for each object in a visual display. Participants were shown the objects one at a time in a sequential presentation; after labeling each object, they were asked to describe the similarity between that …

Toward A Two-Stage Model Of Free Categorization, Gregory J. Smith

Electronic Theses, Projects, and Dissertations

This research examines how comparison of objects underlies free categorization, an essential component of human cognition. Previous results using our binomial labeling task have shown that classification probabilities are affected in a graded manner as a function of similarity, i.e., the number of features shared by two objects. In a similarity rating task, people also rated objects sharing more features as more similar. However, the effect of matching features was approximately linear in the similarity task, but superadditive (exponential) in the labeling task. We hypothesize that this difference is due to the fact that people must select specific objects to …

The Role Of Working Memory Resources In Mind Wandering: The Difference Between Working Memory Capacity And Working Memory Load, Jason Seiichi Tsukahara

Electronic Theses, Projects, and Dissertations

There is no consensus on the relationship between working memory resources and mind wandering. The purpose of the current study is to investigate whether mind wandering requires working memory resources to be sustained. The resource-demanding view is that mind wandering requires working memory resources to sustain an internal train of thought (Smallwood, 2010). The resource-free view is that mind wandering is a result of executive control failures and this internal train of thought proceeds in a resource-free manner (McVay & Kane, 2010). Participants were presented with thought probes while they performed a Simon task in single and dual task conditions. …

Incarceration And Reintegration: How It Impacts Mental Health, April M. Marier, Alex Alfredo Reyes

Electronic Theses, Projects, and Dissertations

ABSTRACT

Background: Previous criminal justice policies have been non-effective leading to overpopulated prisons and unsuccessful reintegration. There is a lack of effective supportive and/or rehabilitative services resulting in high rates of recidivism and mental health implications. Objective: This study investigated the perceived impact that incarceration and reintegration with little to no supportive and/or rehabilitative services has on the mental health status of an individual. The emphasis was on participant perception and not on professional reports because of underreporting and lack of attention to mental health in the criminal justice system. Methods: Focus groups in the Inland Empire and Coachella Valley …