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Evaluating a Theory-Based Online Program for Preventing Sexual Aggression: An Experimental-Longitudinal Study With
Paulina Tomaszewska1, Isabell Schuster1, Barbara Krahé1
1Department of Psychology, University of Potsdam, Potsdam, Germany.
Sexual Abuse : a Journal of Research and Treatment
|February 6, 2023
Summary
This study found that an intervention reduced risky sexual scripts and behaviors, indirectly lowering sexual aggression perpetration and victimization. However, direct effects and indirect effects via self-esteem and assertiveness were not significant.
Area of Science:
- Psychology
- Public Health
- Sociology
Background:
- Sexual aggression perpetration and victimization remain significant public health concerns.
- University students are a key demographic for understanding and intervening in sexual aggression dynamics.
- Existing interventions often target individual factors, but the role of sexual scripts and assertiveness requires further investigation.
Purpose of the Study:
- To evaluate an intervention aimed at reducing sexual aggression perpetration and victimization.
- To examine the intervention's effects on risky sexual scripts, sexual behavior, sexual self-esteem, and assertiveness.
- To investigate the indirect pathways through which the intervention might influence sexual aggression.
Main Methods:
- A four-wave longitudinal study over 23 months with 1181 German university students.
- Random assignment to an intervention group (six weekly modules) or a control group.
- Statistical analyses controlling for baseline levels to assess intervention effects on various psychological and behavioral factors.
Main Results:
- The intervention group exhibited reduced risky sexual scripts post-intervention, which predicted reduced risky sexual behavior.
- Reduced risky sexual behavior subsequently predicted lower odds of sexual aggression perpetration and victimization.
- No direct intervention effects on sexual aggression rates were observed; indirect effects via sexual self-esteem and assertiveness were not significant, though self-esteem influenced victimization via initiation assertiveness.
Conclusions:
- The intervention shows potential for reducing sexual aggression indirectly by modifying sexual scripts and behaviors.
- Sexual self-esteem and initiation assertiveness play a role in sexual aggression victimization, suggesting targeted interventions.
- Further research is needed to refine interventions and understand the complex interplay of risk and vulnerability factors in sexual aggression.
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