• measure Major events

    Study:NTR
    Mode of collection:Interview
    Available measurements:
    Young Netherlands Twin Register  YC_DSC YC_ADHMRI
    0
    30 years
    Any major events occurred causing participant to judge their behavior differently than they would a month ago.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Simon task

    Study:NTR
    Mode of collection:MeasurementsAndTests   Behavioral/cognitive task
    Available measurements:
    Young Netherlands Twin Register  YE_ATTEF2
    0
    30 years
    The Simon task is a selective attention task. In the computerized version of a visual spatial Simon task subjects have to respond to the colour of a stimulus. On the screen a red circle or a green circle appears. In case of a red circle children have to push the right button, in case of a green circle children have to push the left button. By manipulating...
    Created March 28, 2023 • Updated April 4, 2023

  • measure Sleep and sleep habits

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_2 YS_5 YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2 YE_FITNSS YS_TRIP2
    0
    30 years
    Questions about sleep and sleep habits
    Created March 28, 2023 • Updated April 4, 2023

  • measure Strengths and Weaknesses of Attention-Deficit/Hyperactivity Disorder Symptoms...

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YC_DSC YE_ATTEF2 YC_ADHMRI
    0
    30 years
    The Strengths and Weaknesses of Attention-Deficit/Hyperactivity Disorder Symptoms and Normal Behavior Scale (SWAN) is an 18-item parent questionnaire for children and adolescents under 18 years old. This rating scale includes positive “weaknesses” and negative “strengths” scoring, assessing symptoms of Attention-Deficit/Hyperactivity Disorder.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Rosenberg Self-Esteem Scale (RSE)

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2
    0
    30 years
    The Rosenberg Self-Esteem Scale (RSE) is a 10-item scale that measures global self-worth in adolescents by measuring both positive (5 items) and negative (5 items) feelings about the self. Although originally constructed as a Guttman-type scale (i.e., items with an ordinal pattern on the attribute), most researchers use a 4-point response format ranging...
    Created March 28, 2023 • Updated April 4, 2023

  • measure GC-MS steroid hormones

    Study:NTR
    Mode of collection:MeasurementsAndTests   Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YC_BS1 YC_BS2 YC_BS3
    0
    30 years
    Gas chromatography mass spectrometry (GC-MS) platform targeting steroid hormones.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Birth

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YC_DSC YE_ATTEF2 YC_ADHMRI YE_COG18 YS_TRIP1 YS_TRIP1_2
    0
    30 years
    Information on duration pregnancy, placenta and chorionicity, mode of delivery, complications around delivery, and incubator time.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Amsterdam Neuropsychological Tasks (ANT)

    Study:NTR
    Mode of collection:MeasurementsAndTests   Behavioral/cognitive task
    Available measurements:
    Young Netherlands Twin Register  YE_ATTEF1 YE_ATTEF2
    0
    30 years
    The Amsterdam Neuropsychological Tasks (ANT) are computerized executive functioning tasks. The ANTs measure a diverse range of executive functions, including attention, working memory, and inhibition.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Body Image

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2
    0
    30 years
    Respondents were asked how afraid they are to gain weight or to grow fat, and which role their appearance and weight plays in how they think about themselves. Items are derived from the Growing Up Today Study and the Virginia Twin Survey.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Wechsler Intelligence Scale for Children (WISC)

    Study:NTR
    Mode of collection:MeasurementsAndTests   Behavioral/cognitive task
    Available measurements:
    Young Netherlands Twin Register  YC_BS1 YC_BS2 YE_ATTEF2 YE_COG12 YE_COG18
    0
    30 years
    The Wechsler Intelligence Scale for Children (WISC) is an IQ test for children of 6-17 years of age to determine general intelligence. It generates a full scale IQ (formerly known as an intelligence quotient or IQ score) that represents a child's general intellectual ability. The most common primary index scores are the Verbal Comprehension Index, the...
    Created March 28, 2023 • Updated April 4, 2023

  • measure Bullying Victimization

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_TRF7 YS_TRF10 YS_TRF12
    0
    30 years
    Questions about bullying and victimization
    Created March 28, 2023 • Updated April 4, 2023

  • measure GC-MS organic acids

    Study:NTR
    Mode of collection:MeasurementsAndTests   Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3
    0
    30 years
    Gas chromatography mass spectrometry (GC-MS) platform targeting organic acids.
    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 Saliva sample

    Study:NTR
    Mode of collection:MeasurementsAndTests   Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YC_BS1 YC_BS2 YC_BS3 YE_ATTEF2 YE_COG12 YE_COG18
    0
    30 years
    Saliva was collected using a cotton swab or a collection device, such as a tube or container (passive drool).
    Created March 28, 2023 • Updated April 4, 2023

  • measure Zygosity (questionnaire)

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_3 YS_5 YS_7 YS_10 YS_12 YS_DHBQ14 YS_DHBQ16 YC_DSC YC_ADHMRI YS_TRIP1_2 YS_TRIP3 YS_TRIP4 YS_TRIP5 YS_TRIP7 YS_TRIP10 YS_TRIP12
    0
    30 years
    The Zygosity questionnaire asks parents of twin pairs about the resemblance between the twins to determine whether the twin pair is mono- or dizygotic. This questionnaire consists of 10 questions: 6 items about physical similarities between the twin and 4 items about confusion in identifying the twins by parents and others.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Urine osmolality

    Study:NTR
    Mode of collection:MeasurementsAndTests   Biological sample/measurement
    Available measurements:
    Young Netherlands Twin Register  YC_ACTIONBB1_1 YC_ACTIONBB1_2 YC_ACTIONBB2 YC_ACTIONBB3
    0
    30 years
    Urinary osmolality as measured with density test (specific gravity) using the Atago refractometer PAL-10S BLT/A+W (Atago, Tokyo, Japan). The refractive index is a ratio of the velocity of light in air to the velocity of light in solution, which is directly proportional to the number of dissolved solids in urine.
    Created March 28, 2023 • Updated April 4, 2023

  • measure Dieting

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_DHBQP YS_DHBQ14 YS_DHBQ16 YS_DHBQ18 YC_BS2
    0
    30 years
    Respondents were asked whether and how often they ever dieted, and how old they were when they started dieting.
    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 Pregnancy - Problems

    Study:NTR
    Mode of collection:SelfAdministeredQuestionnaire
    Available measurements:
    Young Netherlands Twin Register  YS_1 YC_DSC YC_ADHMRI YS_TRIP1_2
    0
    30 years
    Questions about problems during pregnancy such as eclampsia, iron deficiency, or twin-to-twin transfusion syndrome (TTTS)
    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
You can also access this registry using the API (see API Docs).