• measure Iowa-Netherlands Comparison Orientation Measure (INCOM)

    Study:Netherlands Twin Register
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YE_ATTEF3
     
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    The Iowa-Netherlands Comparison Orientation Measure (INCOM) is an 11-item measure of individual differences in social comparison orientation. It identifies people who are high and low in their tendencies to use social comparisons, but does not identify the motives that respondents have for making social comparisons.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Conflict Awareness

    Study:RADAR
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Old Cohort  RO - W1 RO - W4 RO - W5 RO - W6 RO - W7 RO - W8 RO - W9

    Young Cohort  RY - W1 RY - W2 RY - W3 RY - W4 RY - W5 RY - W6
     
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    Conflict Awareness (CA) is a self-report questionnaire that aims to measure how adolescents perceive the conflict between their parents.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Parent-Adolescent Communication Scale

    Study:RADAR
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Old Cohort  RO - W5 RO - W6 RO - W7 RO - W8 RO - W9
     
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    years
    The Parent-Adolescent Communication Scale consists of 20 items measuring the quality of communication between an adolescent and their parent. The Open Family Communication (OFC) subscale reflects feelings of free expression and understanding in parent-adolescent interactions. The Problems in Family Communication (PFC) subscale measures negative...
    Created October 17, 2024 • Updated October 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 October 17, 2024 • Updated October 20, 2024

  • measure Utrecht-Management of Identity Committments Scale (U-MICS) - Partner identity

    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 - W4 RY - W5 RY - W6 RY - W7 RY - W8 RY - W9 RY - W10 RY - W11
     
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    years
    The Utrecht-Management of Identity Commitments Scale - Intimate Partner Identity (IP) assesses four processes: 1) partner commitment, partner in-depth exploration, partner reconsideration and partner in-breadth exploration as a youth self-report scale.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Interpersonal Conflict Questionnaire (ICQ)

    Study:RADAR
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Old Cohort  RO - W1 RO - W2 RO - W3 RO - W4 RO - W5 RO - W6 RO - W7 RO - W8 RO - W9 RO - W10 RO - W11 RO - W12 RO - W13

    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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    30
    years
    The Interpersonal Conflict Questionnaire (ICQ) is a self-report scale to assess the level and affect of conflict in interpersonal relationships.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Direct Indirect Aggression Inventory (DIAS)

    Study:RADAR
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Old Cohort  RO - W1 RO - W2 RO - W3 RO - W4 RO - W5 RO - W9
     
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    years
    The Direct Indirect Aggression Inventory (DIAS) assesses self-reported agression with the instruction "If you’re angry or mad at someone in class, what do you do?" with three subscales: 1) Direct Aggresion with items such as "I use cusses for the other whenever I can.", 2) Indirect Aggression with items such as "I try to irrritate the other to the point...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Utrecht-Management of Identity Committments Scale (U-MICS) - Relational identity

    Study:RADAR
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Old Cohort  RO - W1 RO - W2 RO - W3 RO - W4 RO - W5 RO - W6 RO - W7 RO - W8 RO - W9 RO - W11 RO - W12 RO - W13 RO - W14

    Young Cohort  RY - W1 RY - W2 RY - W3 RY - W4 RY - W5 RY - W6 RY - W8 RY - W9 RY - W10 RY - W11
     
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    30
    years
    The Utrecht-Management of Identity Commitments Scale - Relational Identity (IV) assesses four processes: 1) friend commitment, friend in-depth exploration, friend reconsideration and friend in-breadth exploration as a youth self-report scale.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Triangular Love Scale (TL)

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

    Young Cohort  RY - W7 RY - W8 RY - W9 RY - W10 RY - W11
     
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    years
    The Triangular Love Scale (TL) assesses self-reported intimacy, passion, and commitment in an intimate/romantic relationship addressed by youth.
    Created October 17, 2024 • Updated October 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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    years
    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 October 17, 2024 • Updated October 20, 2024

  • measure Network of Relationships Inventory (NRI)

    Study:RADAR
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Old Cohort  RO - W1 RO - W2 RO - W3 RO - W4 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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    years
    The Network of Relationships Inventory (NRI) assesses the extent to which adolescents' dyadic relationships with romantic partners, friends, and parents are each characterized by behaviors commonly involved in the attachment, caregiving, and affiliative behavioral systems.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Balanced Relatedness Scale

    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 - W14

    Young Cohort  RY - W1 RY - W2 RY - W3 RY - W4 RY - W5 RY - W6 RY - W7 RY - W8 RY - W11
     
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    The Balanced Relatedness Scale (BR) is a self-report scale that measures tolerance of differing opinions in dyadic relationships.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Investment Models Scale (IMS)

    Study:TRAILS
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Population cohort  POP - T4 POP - T5 POP - T6

    Clinical cohort  CC - T4 CC - T5 CC - T6
     
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    The Investment Models Scale (IMS) consists of two sets of items associated with the four central constructs of the Investment Model (IM): facet items and global items. Facet items measure the antecedents of commitment - satisfaction, quality of alternatives and investment size. These facet items are included in the IMS to activate in memory and illustrate...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Sexuality and pregnancy

    Study:TRAILS
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Population cohort  POP - T4 POP - T5 POP - T6

    Clinical cohort  CC - T4 CC - T5 CC - T6
     
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    Sexuality and pregnancy assesses sexual orientation, sexual experiences and the use of contraceptives during those experiences (contraceptive pill, condoms, etc.).
    Created October 17, 2024 • Updated October 20, 2024

  • measure Intimate relationships

    Study:TRAILS
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Population cohort  POP - T3 POP - T4 POP - T5 POP - T6

    Clinical cohort  CC - T3 CC - T4 CC - T5 CC - T6
     
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    Intimate relationships assesses whether participants have ever engaged in a romantic relationship, with whom, and for how long.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Intrasexual Competition Scale (ICS)

    Study:TRAILS
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Population cohort  POP - T4 POP - T6

    Clinical cohort  CC - T4 CC - T6
     
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    30
    years
    The Intrasexual Competition Scale (ICS) is a validated assessment of intrasexual competitiveness, i.e., viewing the confrontation with same-sex individuals, especially in the context of contact with the opposite-sex, in competitive terms. Items concern physical appearance, attention, being jealous, and wanting to win.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Virginity loss

    Study:TRAILS
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Population cohort  POP - T2 POP - T3 POP - T4 POP - T5 POP - T6

    Clinical cohort  CC - T2 CC - T3 CC - T4 CC - T5 CC - T6
     
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    years
    Virginity loss is assesses whether the participant has had their first sexual intercourse, and if so, at which age.
    Created October 17, 2024 • Updated October 20, 2024
You can also access this registry using the API (see API Docs).