The Psychometric Evaluation of Sexual Violence Prevention Instruments for Use with Male College Students Public

Abstract

Abstract
The Psychometric Evaluation of Sexual Violence Prevention Instruments for Use with Male
College Students
By: James Walker
The purpose of this study was to assess the psychometric properties of three novel scales and two
novel indexes developed and used in the RealConsent study, a web-based sexual violence
preventive intervention for male undergraduates implemented and evaluated at Georgia State
University. These metrics assessed five important constructs designed for use in evaluations of
sexual violence interventions: legal knowledge of informed consent, perceptions of informed
consent, self-efficacy to intervene when a woman's consent is compromised, outcome
expectancies for non-consensual sex, and outcome expectancies for intervening behaviors. Each
scale was assessed for reliability and validity. Results showed that one of the three novel scales:
Self-Efficacy to Intervene, and one of the two indexes: Perceptions of Informed Consent for Sex,
showed adequate reliability and validity. These two metrics are therefore verified for future
research efforts, while the other three may need further analysis or modification to enhance their
utility in future studies.

Table of Contents

Table of Contents

Background ................................................................................................................................... 1
Addressing the Threat of Violence Against Women ...................................................... 1
The RealConsent Study .................................................................................................... 2
Methods .......................................................................................................................................... 4
Intervention ....................................................................................................................... 4
Data Collection .................................................................................................................. 5
Study Population ............................................................................................................... 5
Measures ............................................................................................................................ 6
Development of New Instruments for RealConsent ...................................................... 6
Data Analysis ..................................................................................................................... 9
Test-retest reliability. ............................................................................................ 9
Cronbach's alpha. ............................................................................................... 10
Split-half reliability. ............................................................................................ 10
Validity assessment. ............................................................................................ 11
Results .......................................................................................................................................... 13
Test-retest Reliability...................................................................................................... 13
Cronbach's Alpha ........................................................................................................... 13
Split-Half Reliability ....................................................................................................... 14
Validity Assessment ........................................................................................................ 14
Discussion..................................................................................................................................... 17
Reliability Assessments ................................................................................................... 17
Validity Assessment ........................................................................................................ 18
Future Directions ........................................................................................................................ 19
Table 1 .......................................................................................................................................... 21
Table 2a ........................................................................................................................................ 22
Table 2b........................................................................................................................................ 22
Table 3 .......................................................................................................................................... 23
Table 4 .......................................................................................................................................... 24
References .................................................................................................................................... 25

About this Master's Thesis

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School	Rollins School of Public Health
Department	Epidemiology
Degree	MPH
Submission	Master's Thesis
Language	English
Research Field	Health Sciences, Public Health
Mot-clé	VAW reliability RealConsent intervention index analysis validity violence against women scale psychometric
Committee Chair / Thesis Advisor	Gazmararian, Julie A, Emory University
Committee Members	Salazar, Laura F, Georgia State University
Partnering Agencies	Emory University schools, faculty or affiliated programs University, college or educational institution (other than Emory)

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