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The Ohio State University

1. Dahl, Laura S. How do we know someone will intervene? The validation of a survey instrument designedto measure collegiate bystander intervention disposition.

Degree: PhD, Educational Studies, 2019, The Ohio State University

Bystander intervention has emerged as a best-practice for combatting sexual violence on college and university campuses. Bystanders are those individuals who observe negative behavior and must decide whether to act in ways that benefit the perpetrator or victim, or do nothing. Although bystanders do not always act in ways which support the victim, proponents of bystander intervention education argue that equipping students with the knowledge, awareness, and skills to step in when they witness negative sexual behaviors will decrease instances of campus sexual violence as well as shift campus cultural norms. For the last decade, research and practice related to bystander intervention in collegiate contexts has been narrowly defined within the scope of sexual violence prevention, yet other types of violence are on the rise at colleges and universities across the United States. How do we know that students will intervene in these situations as well? This study attempts to address this need by examining a new instrument designed to measure bystander intervention disposition broadly across a variety of situations common to postsecondary contexts. It seeks to answer the following question: How can college student bystander intervention disposition be reliably and validly measured?This study draws on theories of educational measurement as well as frameworks for understanding violence and violence prevention, cognitive and moral decision-making, and identity development to investigate the reliability and validity of the instrument. Bystander intervention disposition is defined as one’s innate inclination to intervene on behalf of others when faced with negative behavior and is conceptualized as a continuous latent construct. Respondents with high bystander intervention disposition should be willing to intervene on behalf of others in situations with high costs; respondents with low bystander intervention disposition should only intervene in those situations that they find it easy to do so.Students who responded to the 2018 administration of the Assessment of Collegiate Residential Environments and Outcomes (ACREO) were invited to read and respond to seven of 16 possible scenarios commonly found on college campuses in which negative behavior is exhibited by one or more parties. Upon reading each vignette, respondents were asked to rate their likelihood of engaging in a number of actions based on their relationship with the actors in the scenarios: knowing the victim, knowing the perpetrator, knowing other bystanders, and not knowing anyone at all. Items also spanned a variety of actions such as saying something at the time, saying something at a later time, getting others to intervene, and finding an authority figure to intervene. A total of 1,939 undergraduate students at one of three public universities responded to the items which comprise the bystander intervention disposition instrument.Rasch analysis using Wolfe and Smith’s (2007) framework was used to examine five aspects of Messick’s (1995) unified concept of construct… Advisors/Committee Members: Mayhew, Matthew (Committee Chair).

Subjects/Keywords: Higher Education; Educational Tests and Measurements; bystander intervention; Rasch modeling; survey validation

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APA (6th Edition):

Dahl, L. S. (2019). How do we know someone will intervene? The validation of a survey instrument designedto measure collegiate bystander intervention disposition. (Doctoral Dissertation). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu155551119237527

Chicago Manual of Style (16th Edition):

Dahl, Laura S. “How do we know someone will intervene? The validation of a survey instrument designedto measure collegiate bystander intervention disposition.” 2019. Doctoral Dissertation, The Ohio State University. Accessed September 21, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu155551119237527.

MLA Handbook (7th Edition):

Dahl, Laura S. “How do we know someone will intervene? The validation of a survey instrument designedto measure collegiate bystander intervention disposition.” 2019. Web. 21 Sep 2019.

Vancouver:

Dahl LS. How do we know someone will intervene? The validation of a survey instrument designedto measure collegiate bystander intervention disposition. [Internet] [Doctoral dissertation]. The Ohio State University; 2019. [cited 2019 Sep 21]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu155551119237527.

Council of Science Editors:

Dahl LS. How do we know someone will intervene? The validation of a survey instrument designedto measure collegiate bystander intervention disposition. [Doctoral Dissertation]. The Ohio State University; 2019. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu155551119237527

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