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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/Instrument

Description/Construct

Timing (T) of administration

Student self-reports

 Demographic information

Questions are asked about age, gender, living situation (housing and family structure), country of birth (own and parents’), language spoken at home, and socioeconomic status

T1, 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

.

T1, T2, T3

 Body Esteem Scale for Adolescents and Adults [53]

10 items measuring appearance-based body esteem

T1, T2, T3

 Strengths and Difficulties Questionnaire [54]

10 items from the subscales measuring emotional and conduct problems

T1, 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 victimization

6 + 5 items: verbal, visual, and physical sexual harassment victimization

6 items at T1 and T2 and 11 items at T3

 Location

10 items: Location at school where the harassment took place

T1, T2, T3

 Offender

5 + 4 items: Gender and age of perpetrator(−s)

T1, T2, T3

 Witnesses

7 items: Witnesses to the harassment

T1, T2, T3

 Disclosure

7 items: Who was/were told about the harassment

T1, T2, T3

 Own reactions [58]

11 items: Behavioral and emotional reactions to the harassment, adapted

T1, T2, T3

Sexual harassment perpetration

6 + 5 items: verbal, visual, and physical sexual harassment perpetration

6 items at T1 and T2 and 11 items at T3

Sexual harassment witnessing

6 + 5 items: verbal, visual, and physical sexual harassment witnessing

6 items at T1 and T2 and 11 items at T3

Sexual harassment at school and in the class

2 items: Sexual harassment is seen as a problem at school and in the class

T1,T2,T3

Self-esteem [59]

1 item: self-esteem

T1, 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 information

Gender, age, educational background, teaching experience, role at the school

T1, T2, T3

 Knowledge/Awareness about sexual harassment in the class

6 + 5 items

T1, T2, T3

 Class norms about sexual harassment

8 items: Different reactions that students might have to witnessing sexual harassment among peers

T1, T2, T3

 Teacher’s perceptions of the seriousness of sexual harassment and bullying

6 items: How serious a threat to students’ well-being the teacher considers sexual harassment and bullying to be, respectively

T1, T2, T3

 Teacher’s intentions to intervene [62]

7 items: Teachers’ intentions to intervene in sexual harassment between students, adapted

T1, T2, T3

 Teacher’s efficacy for intervening [62]

14 items; teachers’ efficacy in intervening in sexual harassment between students, adapted

T1, T2, T3

 School Personnel Barriers to Bystander Action [62]

5 items: Teachers’ perceived barriers to intervening in sexual harassment between students, adapted

T1, T2, T3

 Perceptions of School Readiness [62]

12 items: Teachers’ perceptions of school readiness to work effectively against sexual harassment among students, adapted

T1, T2, T3

 Teacher’s conceptualization of sexual harassment

Open-ended question

T1, T2, T3

 Teacher’s ideas about why sexual harassment among students occurs

Open-ended question

T1, T2, T3

 Teacher’s ideas for the prevention of sexual harassment among students

Open-ended question

T1, T2, T3

School data

 Average parental education level in specific schools

1 item on parents’ mean educational level on a 3-point scale: 1 = primary, 2 = secondary, 3 postsecondary

T1, T2, T3

 School’s grade point average

1 item: The grade point average for the school

T1, T2, T3

 Reports of sexual harassment

Filed reports of sexual harassment at the school

T1, T2, T3

 Measures against sexual harassment at the class and school levels

Active measures taken against sexual harassment at the school

T1, T2, T3

 Content of the school’s diversity and equal treatment policies

Analysis of any content of the school’s diversity and equal treatment policies that relates to sexual harassment

T1, T2, T3

  1. aT1 = grade 4; T2 = grade 5, T3 = grade 6