• measure Friendship

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YC_DSC YE_ATTEF2 YC_ADHMRI YE_COG12 YS_TRIP age 4 YS_TRIP age 7 YS_TRIP age 10 YS_TRIP age 12
     
    0
    5
    10
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    30
    years
    Friendship consisted of questions about friends, friendships, and sibling interactions.
    Created October 17, 2024 • Updated October 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
     
    0
    5
    10
    15
    20
    25
    30
    years
    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 October 17, 2024 • Updated October 20, 2024
You can also access this registry using the API (see API Docs).