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Louisiana State University

Theses/Dissertations

Neuropsychology

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Full-Text Articles in Psychology

Examining Patterns Of Executive Functioning Across Dimensions Of Psychopathology, Scott Roye Jul 2020

Examining Patterns Of Executive Functioning Across Dimensions Of Psychopathology, Scott Roye

LSU Doctoral Dissertations

Executive functioning is a multifaceted collection of higher-order cognitive processes used to perform goal-oriented tasks. Although this construct is heavily researched, a major issue regarding the current literature stems from the influence of task impurity, which interferes with how executive functioning performance is interpreted. Additionally, while executive functioning has been previously explored in clinical populations, less work has evaluated this topic measuring dimensional psychopathology. The present study sought to examine the role of executive functioning, as it relates to dimensional psychopathology. Data was analyzed from a total of 731 individuals between the age of 18-59 years who took part in …


Assessing The Impact Of White Noise On Cognition In Individuals With And Without Adhd, Scott Roye Oct 2017

Assessing The Impact Of White Noise On Cognition In Individuals With And Without Adhd, Scott Roye

LSU Master's Theses

Although originally viewed only as a childhood disorder, Attention Deficit Hyperactivity Disorder (ADHD) is now recognized to persist into adulthood in many individuals. Adults with ADHD often demonstrate academic, cognitive, and general functioning deficits as a result of their symptoms. Theorists have suggested that features typically associated with ADHD, such as distractibility, excessive motor activity, and executive dysfunction, may stem from being under stimulated at a physiological level. This lack of arousal potentially causes individuals to seek out stimulation, making them more susceptible to background noise and other environmental stimuli. However, previous research primarily focuses on children and adolescents with …


Examining Reliability And Validity Of The Roadsign Perception Test, Justin Hull Ory Jan 2012

Examining Reliability And Validity Of The Roadsign Perception Test, Justin Hull Ory

LSU Master's Theses

The Road Sign Perception Test (RSPT) is a newly developed assessment procedure related to driver advisement, and its psychometric properties have not yet been examined systematically. The present study examined the construct validity and the reliability of RSPT measurements. Cronbach’s α and test-retest reliability statistics were completed, as were correlations reflecting on the test’s construct validity. Results indicated that the RSPT possesses marginal test-retest reliability, adequate internal consistency for duration of stimulus presentation and for specific stimuli, but low for number of signs presented. RSPT performance was significantly correlated with convergent variables measuring aspects of attention, working memory, and spatial …


Evalutaion Of Embedded Malingering Indices In A Non-Litigating, Relief Seeking Sample: A Partial Cross-Validation Using Control, Clinical, And Derived Groups, Russell D. Pella Jan 2009

Evalutaion Of Embedded Malingering Indices In A Non-Litigating, Relief Seeking Sample: A Partial Cross-Validation Using Control, Clinical, And Derived Groups, Russell D. Pella

LSU Doctoral Dissertations

Researchers have recently noted college students fail validity measures and base rate data are needed for students meeting Slick et al.’s criteria (1999) for malingering. The association between meeting Slick Criteria and subsequent recommendations (i.e., to receive external gain) is unknown as is the diagnostic utility of embedded validity indices in this population. The authors utilized archival data from: 1) a university psychological clinic (n = 986) and 2) a university student control sample (n = 182). Measures included the Wechsler Adult Intelligence Scale-III, Wechsler Memory Scale-III, and Personality Assessment Inventory. Empirically supported embedded validity indices were utilized to retrospectively …