• measure Social Production Functions Questionnaire (SPF)

    Study:TRAILS
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Population cohort  POP - T1 POP - T2 POP - T3

    Clinical cohort  CC - T1 CC - T2 CC - T3
     
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    The Social Production Functions Questionnaire (SPF) is a validated assessment of self-reported sources of wellbeing. It includes experienced affection, behavioral confirmation and status from parents, teachers and friends, and classmates (e.g., "My mother likes to do things with me", "My father helps me when I need something", "My teacher thinks that I...
    Created June 5, 2024 Updated June 20, 2024
  • measure Time Spent with Others

    Study:RADAR
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Old Cohort  RO - W1 RO - W2 RO - W3 RO - W4 RO - W5 RO - W9 RO - W10 RO - W11 RO - W12 RO - W13 RO - W14

    Young Cohort  RY - W1 RY - W2 RY - W3 RY - W7 RY - W8 RY - W9 RY - W10 RY - W11
     
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    Time Spent with Others (TI) is an adolescent-reported, two-item scale, designed based on the question "How much free time do you spend with each of these persons?” from the Network of Relationship Inventory (NRI, Furman & Buhrmester, 1985). The scale includes the description "Please indicate below how much time you've spent with your...
    Created June 5, 2024 Updated June 20, 2024
  • measure Importance of Friends

    Study:RADAR
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Old Cohort  RO - W5 RO - W6 RO - W7 RO - W8 RO - W9
     
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    Saliency importance of friends/Perception similarity friends assesses the self-reported importance of similarity between friends in delinquency, school motivation and relationships, and the perceptions of similarity between friends in delinquency, school motivation and friendship.
    Created June 5, 2024 Updated June 20, 2024
  • measure Delinquent Friends

    Study:RADAR
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Old Cohort  RO - W5 RO - W6 RO - W7 RO - W8 RO - W9 RO - W10 RO - W11 RO - W12 RO - W13 RO - W14

    Young Cohort  RY - W1 RY - W2 RY - W3 RY - W4 RY - W5 RY - W6 RY - W7 RY - W8 RY - W9 RY - W10 RY - W11
     
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    The Delinquent Friends/Basic Questionnaire Peers (BL) is a self-report scale that measures the level of delinquent behavior of friends and intensity of contact with peers.
    Created June 5, 2024 Updated June 20, 2024
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