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ERIC Number: EJ1095611
Record Type: Journal
Publication Date: 2015
Pages: 12
Abstractor: As Provided
ISSN: ISSN-0146-3934
Locus of Control Predicts Cortisol Reactivity and Speech Performance in Response to Acute Stress in Undergraduate Students
Szabo, Yvette Z.; Chang, Andrew; Chancellor-Freeland, Cheryl
College Student Journal, v49 n2 p225-236 Sum 2015
Previous studies have found that an individual's perception of control in a situation (Locus of Control; LOC) can serve as a protective factor that has physiological and psychological benefits. The present study examines LOC in an acute stress paradigm to examine the relationship between LOC and hypothalamic-pituitary-adrenal axis functioning as well as between LOC and performance. One hundred and thirteen participants at a metropolitan university were randomly assigned to either a stress or control condition. The stress condition consisted of the Trier Social Stress Test (TSST) while the control condition consisted of viewing a neutral travel video. Salivary cortisol was measured at four time points before and after exposure to the assigned condition. A mock job interview speech in the TSST was recorded and evaluated for performance on eight dimensions. LOC significantly predicted cortisol reactivity to the stressor in a multiple linear regression model. In addition, LOC was a significant predictor of speech performance in a simple regression model. Cortisol was not related to speech performance, and LOC did not moderate this relationship, although LOC uniquely predicted speech performance. This research adds to a growing body of literature demonstrating physiological and functional influences of LOC orientation.
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Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: National Institute of General Medical Sciences (NIH//DHHS)
Authoring Institution: N/A
Identifiers - Location: California
Identifiers - Assessments and Surveys: Rotter Internal External Locus of Control Scale
Grant or Contract Numbers: 5T34GM00825323