• measure Self-concept Clarity Scale (SCC)

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

    Young Cohort  W1 W2 W3 W4 W5 W6 W7 W8 W9 W10
    0
    30 years
    Self-Concept Clarity Scale (SCC) assesses the extent to which the self-image is clear, confidently defined, internally consistent, and stable over time as a self-report scale.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Work demographics

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_3 YS_TRF5 YS_7 YS_TRF7 YS_10 YS_TRF10 YS_12 YS_TRF12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YE_FITNSS YS_DT YE_COG12 YE_COG18 YS_TRIP1_2 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12
    0
    30 years
    Questions about working, hours of working, maternity/paternity leave, and type of profession
    Created March 28, 2023 • Updated April 4, 2023

  • measure Side jobs and household chores

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_DHBQP YS_DHBQ16 YS_DHBQ18 YC_BS2 YC_DSC YE_ATTEF3 YC_ADHMRI YE_COG12 YS_TRIP4 YS_TRIP7 YS_TRIP10
    0
    30 years
    Questions about side jobs (parttime work), volunteer work, household chores, and other main daytime activities.
    Created March 28, 2023 • Updated April 4, 2023

  • measure School Situation

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_5 YS_TRF5 YS_7 YS_TRF7 YS_10 YS_TRF10 YS_12 YS_TRF12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS1 YC_BS2 YC_DSC YE_FITNSS YE_ATTEF2 YC_ADHMRI YS_DT YE_COG12 YE_COG18 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12
    0
    30 years
    Questions about the school situation including the type of school the children attend, whether twins attemd the same/different school/class, whether the child has ever skipped or repeated grades, and truancy.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Big Five Inventory (BFI)

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

    Young Cohort  W1 W2 W3 W4 W5 W6 W7 W8 W9 W10
    0
    30 years
    The Big Five Inventory (BFI) is a self-report scale that is designed to measure the big five personality traits (extraversion, agreeableness, conscientiousness, neuroticism, and openness).
    Created March 28, 2023 • Updated April 4, 2023

  • measure Direct Indirect Aggression Inventory (DIAS)

    Study:RADAR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Old Cohort  W1 W2 W3 W4 W5 W9
    0
    30 years
    Direct Indirect Aggression Inventory (DIAS) assesses direct, indirect, and passive aggression as a self-report.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Time Spent with Others

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

    Young Cohort  W1 W2 W3 W7 W8 W9 W10
    0
    30 years
    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).
    Created March 28, 2023 • Updated April 4, 2023

  • measure Balanced Relatedness scale

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

    Young Cohort  W1 W2 W3 W4 W5 W6 W7 W8
    0
    30 years
    The Balanced Relatedness Scale (BR) is a self-report scale that measures tolerance of differing opinions in dyadic relationships.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Conflict Resolution Style Inventory (CRSI)

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

    Young Cohort  W1 W2 W3 W4 W5 W6 W7 W8 W9 W10
    0
    30 years
    Conflict Resolution Styles Inventory (CRSI) assesses how people deal with conflicts, such through conflict engagement, problem solving, withrdawal and/or compliance as a self-report scale.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Interpersonal Conflict Questionnaire (ICQ)

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

    Young Cohort  W1 W2 W3 W4 W5 W6 W7 W8 W9 W10
    0
    30 years
    The Interpersonal Conflict Questionnaire (ICQ) is a self-report scale to assess the level and affect of conflict in interpersonal relationships.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Physical Activities

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_3 YS_7 YS_10 YS_12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YE_FITNSS2 YE_ATTEF2 YC_ADHMRI YE_COG12 YS_TRIP4 YS_TRIP7 YS_TRIP10 YS_TRIP12
    0
    30 years
    Questions about physical activity and sport
    Created March 28, 2023 • Updated April 4, 2023

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

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

    Young Cohort  W1 W2 W3 W4 W5 W6 W8 W9 W10
    0
    30 years
    Utrecht-Management of Identity Commitments Scale assesses three concepts: 1) commitment to best friend, partner, school and work, 2) an in-depth exploration of best friend, partner, school and work and 3) best friend, partner, school and work reconsideration as a youth self-report scale.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Children's Report of Parental Behavior Inventory (CRPBI)

    Study:RADAR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Old Cohort  W1 W3 W4 W5 W7 W8 W9
    0
    30 years
    The Children's Report of Parental Behavior Inventory (CRPBI) was designed to assess parents' child-rearing behavior as perceived and reported by children. The CRPBI yields scores for three dimensions of child-rearing behavior: Acceptance, Psychological Control, and Lax Discipline. Acceptance involves traits such as child-centeredness, emotional support,...
    Created March 28, 2023 • Updated April 4, 2023

  • measure Zygosity (DNA)

    Study:NTR
    Mode of collection:MeasurementsAndTests   Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YS_3 YS_5 YS_7 YS_10 YS_12 YS_DHBQ14 YS_DHBQ16 YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3 YC_BS1 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YE_ATTEF1 YE_ATTEF2 YE_ATTEF3 YC_ADHMRI YE_COG18 YS_TRIP1_2 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12
    0
    30 years
    Zygosity typing based on micro-satellite markers, single nucleotide polymorphisms (SNP), or variable number (short) tandem repeats (VNTRs).
    Created March 28, 2023 • Updated April 4, 2023

  • measure Raven's Progressive Matrices Test (RPM)

    Study:NTR
    Mode of collection:MeasurementsAndTests   Behavioral/cognitive task
    Available measurements:
    Young Netherlands Twin Register  YC_BS1 YC_BS2 YE_ATTEF3
    0
    30 years
    Raven's Progressive Matrices (often referred to simply as Raven's Matrices or RPM) is a non-verbal test used to measure general intelligence and abstract reasoning. It is one of the most common tests administered to both groups and individuals ranging from 5-years-olds to the elderly. It consists of 60 multiple choice questions, listed in order of...
    Created March 28, 2023 • Updated April 4, 2023

  • measure CITO score

    Study:NTR
    Mode of collection:MeasurementsAndTests   Behavioral/cognitive task
    Available measurements:
    Young Netherlands Twin Register  YS_TRF5 YS_TRF7 YS_TRF10 YS_12 YS_TRF12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS1 YC_BS2 YE_ATTEF2 YS_CITO YS_DT YS_TRIP12
    0
    30 years
    The CITO-test is a standardized test for educational achievement that is administered in the final grade (when children are 11 or 12 years old) of elementary school. The CITO-test consists of multiple choice items in 4 different educational skills, namely Arithmetic, Language, Study Skills, and Science and Social Studies. All scores on the scales are...
    Created March 28, 2023 • Updated April 4, 2023

  • measure Handedness and hand preference

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_2 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YE_FITNSS YE_ATTEF1 YE_ATTEF2 YE_ATTEF3 YC_ADHMRI YE_COG12 YE_COG18 YS_TRIP2 YS_TRIP1_2
    0
    30 years
    Handedness or hand preference of self or family members
    Created March 28, 2023 • Updated April 4, 2023

  • measure Demographics

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YS_2 YS_3 YS_5 YS_TRF5 YS_7 YS_TRF7 YS_10 YS_TRF10 YS_12 YS_TRF12 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3 YS_VAL YC_BS1 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YE_ATTEF1 YE_ATTEF2 YE_ATTEF3 YC_ADHMRI YS_DT YE_COG10 YE_COG12 YE_COG18 YS_TRIP1 YS_TRIP1_2 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12
    0
    30 years
    Demographic information, including age and year of birth, biological sex and gender, country and place of birth, current zipcode, nationality, religion, educational attainment, spoken laguages, and information on multiple birth.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Network of Relationships Inventory (NRI)

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

    Young Cohort  W1 W2 W3 W4 W5 W6 W7 W8 W9 W10
    0
    30 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 March 28, 2023 • Updated April 4, 2023

  • measure Demographics

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

    Young Cohort  W1 W2 W3 W4 W5 W6 W7 W8 W9 W10
    0
    30 years
    Demographic information (gender, age, child gender, child age, etc.)
    Created March 28, 2023 • Updated April 4, 2023
You can also access this registry using the API (see API Docs).