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Social and Behavioral Sciences Commons

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Cognitive Psychology

University of North Dakota

Theses and Dissertations

Articles 1 - 2 of 2

Full-Text Articles in Social and Behavioral Sciences

The Effects Of Time Of Day And Circadian Rhythm On Performance During Variable Levels Of Cognitive Workload, Kathryn A. Feltman Dec 2016

The Effects Of Time Of Day And Circadian Rhythm On Performance During Variable Levels Of Cognitive Workload, Kathryn A. Feltman

Theses and Dissertations

The present study examined the effects of time of day of testing on a simulated aviation task. The tasks required the participants to engage in multitasking while electroencephalogram (EEG) data was collected to objectively measure participants’ workload. Task demands were altered throughout the testing period to expose participants to both high and low workload conditions. Additionally, individual differences in circadian rhythm were explored by assessing participants’ circadian typology. No significant differences in performance were found resulting from time of day differences. However, performance and EEG differences were found based on phase of testing and workload manipulations. Subjective workload measures were …


Effectiveness Of A Smartphone App As An Adjunct To Therapy For Depression, Caitlin Massop May 2016

Effectiveness Of A Smartphone App As An Adjunct To Therapy For Depression, Caitlin Massop

Theses and Dissertations

Over the years, depression and treatments for depression have been extensively researched. However, as times have changed and technology has become an integrated aspect into many indivdiual’s lives, including those with depression, researched mental health treatments have been slow to appreciate technological advances such as the smartphone app. The purpose of this study was to examine the effectiveness of a smartphone app in addition to CBT as compared to CBT with paper homework when treating depression. Using a single-case design, as described by Kazdin (2011), with two participants this study found that both participants experienced a decrease in depression scores …