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Table 1 Overview of the study instruments

From: Study protocol for PRISE: a longitudinal study of sexual harassment during the transition from childhood to adolescence

Measure/InstrumentDescription/ConstructTiming (T) of administration
Student self-reports
 Demographic informationQuestions are asked about age, gender, living situation (housing and family structure), country of birth (own and parents’), language spoken at home, and socioeconomic statusT1, T2, T3a
 Pubertal Developmental Scale [51]5 items measuring pubertal status, pubertal timing. 1 item measuring perceived pubertal timing. 2 items measuring height and weight.T3
Perceived pubertal timing at T1, T2, T3
 The Child and Adolescent Social Support Scale [52]12 items measuring emotional support from teachers, parents, classmates, and friends
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T1, T2, T3
 Body Esteem Scale for Adolescents and Adults [53]10 items measuring appearance-based body esteemT1, T2, T3
 Strengths and Difficulties Questionnaire [54]10 items from the subscales measuring emotional and conduct problemsT1, T2, T3
 Victim Scale [55]5 items measuring general peer victimization (physical, verbal, social)T1, T2, T3
 School satisfaction (adapted, [56])2 items, e.g., “Do you enjoy school?”T1, T2, T3
 Classroom satisfaction (adapted, [57])4 items, for example, "We help each other"T1, T2, T3
Sexual harassment victimization6 + 5 items: verbal, visual, and physical sexual harassment victimization6 items at T1 and T2 and 11 items at T3
 Location10 items: Location at school where the harassment took placeT1, T2, T3
 Offender5 + 4 items: Gender and age of perpetrator(−s)T1, T2, T3
 Witnesses7 items: Witnesses to the harassmentT1, T2, T3
 Disclosure7 items: Who was/were told about the harassmentT1, T2, T3
 Own reactions [58]11 items: Behavioral and emotional reactions to the harassment, adaptedT1, T2, T3
Sexual harassment perpetration6 + 5 items: verbal, visual, and physical sexual harassment perpetration6 items at T1 and T2 and 11 items at T3
Sexual harassment witnessing6 + 5 items: verbal, visual, and physical sexual harassment witnessing6 items at T1 and T2 and 11 items at T3
Sexual harassment at school and in the class2 items: Sexual harassment is seen as a problem at school and in the classT1,T2,T3
Self-esteem [59]1 item: self-esteemT1, T2, T3
Children's self-efficacy scale [60]4 items about self-assertiveness, eg. “Stand up for myself when I feel I am being treated unfairly”T1, T2, T3
Children's hope scale [61]6 items about agency and pathways, eg. “Even when others want to quit, I know that I can find ways to solve the problem”T1, T2, T3
Teacher reports
 Demographic informationGender, age, educational background, teaching experience, role at the schoolT1, T2, T3
 Knowledge/Awareness about sexual harassment in the class6 + 5 itemsT1, T2, T3
 Class norms about sexual harassment8 items: Different reactions that students might have to witnessing sexual harassment among peersT1, T2, T3
 Teacher’s perceptions of the seriousness of sexual harassment and bullying6 items: How serious a threat to students’ well-being the teacher considers sexual harassment and bullying to be, respectivelyT1, T2, T3
 Teacher’s intentions to intervene [62]7 items: Teachers’ intentions to intervene in sexual harassment between students, adaptedT1, T2, T3
 Teacher’s efficacy for intervening [62]14 items; teachers’ efficacy in intervening in sexual harassment between students, adaptedT1, T2, T3
 School Personnel Barriers to Bystander Action [62]5 items: Teachers’ perceived barriers to intervening in sexual harassment between students, adaptedT1, T2, T3
 Perceptions of School Readiness [62]12 items: Teachers’ perceptions of school readiness to work effectively against sexual harassment among students, adaptedT1, T2, T3
 Teacher’s conceptualization of sexual harassmentOpen-ended questionT1, T2, T3
 Teacher’s ideas about why sexual harassment among students occursOpen-ended questionT1, T2, T3
 Teacher’s ideas for the prevention of sexual harassment among studentsOpen-ended questionT1, T2, T3
School data
 Average parental education level in specific schools1 item on parents’ mean educational level on a 3-point scale: 1 = primary, 2 = secondary, 3 postsecondaryT1, T2, T3
 School’s grade point average1 item: The grade point average for the schoolT1, T2, T3
 Reports of sexual harassmentFiled reports of sexual harassment at the schoolT1, T2, T3
 Measures against sexual harassment at the class and school levelsActive measures taken against sexual harassment at the schoolT1, T2, T3
 Content of the school’s diversity and equal treatment policiesAnalysis of any content of the school’s diversity and equal treatment policies that relates to sexual harassmentT1, T2, T3
  1. aT1 = grade 4; T2 = grade 5, T3 = grade 6