French validation of the Acceptance of Modern Myths about Sexual Aggression scale (AMMSA) and experience of close relationships with students and perpetrators of domestic violence

Introduction. - Acceptance of the rape myths (ARM) refers to a set of attitudes, beliefs and stereotypes that tend to make women responsible for rapes or sexual assaults, and to rationalize, minimize or justify the behaviors of sexual offenders. ARM can also promote intimate partner violence (spousal rape). Domestic violence is generally associated with an insecure attachment style (avoidant or ambivalent) in both perpetrators and victims. The attachment insecurity of perpetrators of spousal violence can favor the use of violence against partners. The perpetrators also have a tendency to attribute the responsibility of their acts to their partners. Gerger, Kley, Bohner and Siebler (2007) developed the "Acceptance of Modern Myths about Sexual Aggression Scale" to measure the ARM in a more subtle way, in particular by reducing social desirability bias. The aim of this study is both to explore the psychometric qualities of the French version of the AMMSA and to study the relationships between the ARM, attachment styles and spousal violence in young adults and perpetrators of domestic violence (with the hypothesis that the latter have a greater ARM and a more insecure attachment style with the intimate partner). Methods. - Participants. The participants (n=275) were divided into two samples: sample 1 comprised 243 French psychology students and psychiatry residents, mean age 26.94 years (+/- 4.06 years, range 19 to 38), with 79 % females (173 women and 50 men). The majority (69%) were in a relationship, and their level of study ranged from 13th grade to 19th grade; sample 2 comprised 32 men treated in a therapy center for perpetrators of spousal violence (in the "Centre-Val-de-Loire" region in France). They had a mean age of 40.84 years (+/- 11.06 years, range 22 to 61). The majority (59%) was in a relationship and their level of study ranged from 5th grade to 18th grade (mean level =11). Instruments. To measure the ARM Myths, we used the AMMSA, which is composed of 30 items structured into a single overarching factor. To assess the styles of attachment to the partner, we used the Experiences in Close Relationships (ECR) scale, which comprises 36 items structured in two dimensions: (i) attachment-related anxiety, and (ii) attachment-related avoidance in the couple. The tools were self-administered. Students completed the questionnaire via the Internet using the Sphinx software during an online survey. Clinical subjects completed the questionnaire in their therapy center. All participants were volunteers and gave their informed consent before anonymously completing the paper or online self-assessment questionnaire. Results. - We carried out a principal components factor analysis using Varimax rotation on the data obtained from the answers to the 30 items of the AMMSA of all respondents. The analysis identified a single factor with an eigenvalue of 9.04 and which explained more than 30% of the total variance. This factor saturated (> 0.30) 29 of the 30 items of the AMMSA, and the Cronbach alpha (which assesses internal consistency) was 0.91. The comparison of AMMSA scores between the clinical group (men with a history of spousal abuse) and male and female students showed differences, while there were no significant gender differences in the non-clinical group. The mean level of insecurity of attachment to the partner was also higher for the men in the clinical group than those in the non-clinical group (students). Results found correlations between the ARM and ECR for attachment-related anxiety in the non-clinical group (both men and women), a weak and negative correlation between age and attachment-related anxiety, and a correlation between age and AMMSA only for women. Discussion. - The results concerning the qualities of the AMMSA are consistent with previous work. In addition, perpetrators of spousal violence have a stronger ARM. The links between (a) older age and a low level of education and (b) the ARM have already been highlighted. However, psychology students and psychiatry residents are probably more likely than others to develop pro-social, egalitarian, sensitive and tolerant attitudes, and therefore to be less in touch with rape myths. Both men and women have sexist representations and acceptance of the rape myths. The ARM is associated with common negative gender stereotypes, notably ambivalent sexism (with its two dimensions: hostile and benevolent sexism). This study has limitations linked both to the small clinical sample and the recruitment of non-clinical subjects from psychological and medical academic fields (with a specialty in psychiatry). Nonetheless, it is also one of the interests of this study to show that the ARM concerns everyone, including students, regardless of their academic or professional orientation. Conclusion. - The AMMSA, which has been validated in different languages and in different contexts, has always shown good psychometric qualities. This French adaptation shows the same characteristics in terms of unifactorial structure, saturation of scale items and internal consistency. Further studies are needed to confirm external validity and test-retest reliability. It would also be desirable to conduct studies with larger and more representative samples. The AMMSA could be an excellent prevention tool by raising awareness of the continuing extent of negative gender stereotypes, violence against women and rape myths. 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