• measure Growth Booklet

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Early Childhood Cohort  ECC - T3

    Middle Childhood Cohort  MCC - T2
     
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    30
    years
    The growth booklet aims to assess the child's physical characteristics like height, weight and head circumference until age 4, and was filled out by the child's parents/caretakers.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Individual Differences and Preferences Questionnaire

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Early Childhood Cohort  ECC - T1 ECC - T4 ECC - T6

    Middle Childhood Cohort  MCC - T1 MCC - T3 MCC - T4 MCC - T5 MCC - T6
     
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    30
    years
    The Individual Differences and Preferences Questionnaire is a self-developed questionnaire that consists of 12-32 items (exact amount of items differ per measurement wave). It assesses individual differences between the twins according to their parents, in terms of daily interaction, preferences, relationship with the twins, and hobbies.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Visual Analogue Scale (VAS) - Scanner related stress (Mock scanner)

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Early Childhood Cohort  ECC - T5

    Middle Childhood Cohort  MCC - T1 MCC - T3 MCC - T5
     
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    25
    30
    years
    The Visual Analogue Scale (VAS) is a visual scale to assess how excited and how tensed the child feels during the mock MRI experiment.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Self-concept Task

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Behavioral/cognitive task
    Available measurements:
    Early Childhood Cohort  ECC - T5
     
    0
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    30
    years
    The Self-Concept Task aims to measure a child's self-concept. The participants are asked whether both positive and negative traits related to academic performance and social interactions fit them. As a control condition, the participants are asked to categorize certain characteristics as school or friends. The self-evaluations cover various aspects such...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Parenting Scale (PS)

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Early Childhood Cohort  ECC - T4 ECC - T5 ECC - T6 ECC - T6-Covid

    Middle Childhood Cohort  MCC - T3 MCC - T4 MCC - T5 MCC - T5-Covid MCC - T6
     
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    30
    years
    The Parenting Scale (PS) is brief measure of parenting behavior and dysfunctional discipline. The PS was originally developed as a rating scale to measure dysfunctional discipline practices in parents of preschool-aged children (18 to 48 months of age) and can be used to identify ‘mistakes’ that may contribute to ineffectual efforts to discipline young...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Highly Sensitive Child Scale (HSC)

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Early Childhood Cohort  ECC - T6

    Middle Childhood Cohort  MCC - T5 MCC - T6 MCC - T7
     
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    30
    years
    The Highly Sensitive Child Scale (HSC) consists of 27 items that measure the sensitivity of the child (e.g. to sounds, scents, social interaction, etc.).
    Created October 17, 2024 • Updated October 20, 2024

  • measure fMRI - Social Network Aggression Task

    Study:L-CID
    Mode of collection: MeasurementsAndTests    MRI
    Available measurements:
    Early Childhood Cohort  ECC - T5

    Middle Childhood Cohort  MCC - T1 MCC - T3 MCC - T5 MCC - T7
     
    0
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    30
    years
    The fMRI - Social Network Aggression Task measures brain activity during the Social Network Aggression Task, in which the child can respond aggressively in response to different types of peers.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Hair samples - Cortisol

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Early Childhood Cohort  ECC - T2 ECC - T3 ECC - T4 ECC - T6

    Middle Childhood Cohort  MCC - T2 MCC - T3 MCC - T4
     
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    30
    years
    A hair sample is a collection of hair strands, which are usually cut from a person's head. Hair samples usually contain hair that has grown over the last 12 months.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Secure Base Script Task (SBS)

    Study:L-CID
    Mode of collection: Observation
    Available measurements:
    Early Childhood Cohort  ECC - T2 ECC - T3 ECC - T6

    Middle Childhood Cohort  MCC - T2 MCC - T3
     
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    30
    years
    The Secure Base Script Task (SBS) aims to measure one's secure base script/attachment representations by giving the participant a list of words with which they have to create a coherent story.
    Created October 17, 2024 • Updated October 20, 2024

  • measure E-diary - Mood children

    Study:L-CID
    Mode of collection: SelfAdministeredWritingsAndDiaries
    Available measurements:
    Early Childhood Cohort  ECC - T1 ECC - T2 ECC - T3 ECC - T4 ECC - T5 ECC - T6

    Middle Childhood Cohort  MCC - T1 MCC - T2 MCC - T3 MCC - T4 MCC - T5
     
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    The E-diary Daily Structure and Activities of the Children - Mood Child assesses the mood of the children through self-reporting in the Upinion smartphone app for several times per day. Mood is assessed in terms of energetic arousal (tired-alert, full of energy-no energy), valence (content-discontent, good-not good) and calmness (relaxed-tensed,...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Delay Discounting - Candy

    Study:L-CID
    Mode of collection: Observation
    Available measurements:
    Middle Childhood Cohort  MCC - T1 MCC - T2 MCC - T3
     
    0
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    30
    years
    The Delay Discounting - Candy (real time) task is a delay gratification task that aims to measure impulsivity (behavioral control) by giving the child the option to either receive one piece of candy now or more candy later.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Confusion, Hubbub, and Order Scale (CHAOS)

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Early Childhood Cohort  ECC - T1 ECC - T2 ECC - T3 ECC - T4 ECC - T5 ECC - T6 ECC - T6-Covid

    Middle Childhood Cohort  MCC - T1 MCC - T2 MCC - T3 MCC - T4 MCC - T5 MCC - T5-Covid MCC - T6
     
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    30
    years
    The Confusion, Hubbub and Order Scale (CHAOS) is a parent-report measure to rate the degree of ‘environmental confusion’ in the home, referring to high levels of noise, crowding and home traffic patterns. The CHAOS measure is completed by parents to assess the characteristics of noise, confusion, clutter, hubbub, frenetic activities, and disorganization...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Sensitive Discipline - Do and Don't

    Study:L-CID
    Mode of collection: Observation
    Available measurements:
    Early Childhood Cohort  ECC - T5 ECC - T6

    Middle Childhood Cohort  MCC - T1 MCC - T2 MCC - T3
     
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    25
    30
    years
    The Sensitive Discipline - Do and Don't tasks aim to measure parental sensitivity and discipline by observing a parent-child interaction when the parent has to instruct the child to do something (e.g., clean up toys, "Do"), and when parent has to forbid the child to do something (e.g., do not touch the toys while the parent plays with them, "Don't").
    Created October 17, 2024 • Updated October 20, 2024

  • measure Purdue Home Stimulation Inventory

    Study:L-CID
    Mode of collection: Observation Interview
    Available measurements:
    Early Childhood Cohort  ECC - T1 ECC - T4 ECC - T6

    Middle Childhood Cohort  MCC - T2 MCC - T4 MCC - T6
     
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    30
    years
    The Purdue Home Stimulation Inventory aims to assess household chaos by means of observation of the participants' home and an interview about chaos within the house. This includes establishing the number of persons living in the house, and the number of rooms in the house in which family members spend time and that can be closed by a door (excluding for...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Buccal swab

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Early Childhood Cohort  ECC - T2 ECC - T3

    Middle Childhood Cohort  MCC - T1 MCC - T3
     
    0
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    30
    years
    Buccal swabs are collections of buccal cell scrapings obtained by rubbing buds along the inside of the mouth.
    Created October 17, 2024 • Updated October 20, 2024

  • measure MyChild - Guilt

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Early Childhood Cohort  ECC - T5 ECC - T6

    Middle Childhood Cohort  MCC - T1 MCC - T3 MCC - T4 MCC - T5 MCC - T6
     
    0
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    10
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    25
    30
    years
    The MyChild questionnaire aims to measure conscience, moral development, and internalized compliance. It consists of 100 items over 10 different subscales that are rated on an 8-point Likert scale.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Questionnaire Home Environment - Daily routines

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Early Childhood Cohort  ECC - T1 ECC - T2 ECC - T3 ECC - T4 ECC - T5 ECC - T6

    Middle Childhood Cohort  MCC - T1 MCC - T2 MCC - T3 MCC - T4 MCC - T5 MCC - T6
     
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    30
    years
    The Routines questionnaire consists of 44-76 items (including sub questions) that assess family routines in terms of sleep, eating, care, media and work. Some questions are based on the Jensen et al. (1983) Family Routines Inventory, and some sleep questions are based on Staples et al. (2015) bedtime routines. Other items are self-developed.
    Created October 17, 2024 • Updated October 20, 2024

  • measure fMRI - Resting State

    Study:L-CID
    Mode of collection: MeasurementsAndTests    MRI
    Available measurements:
    Early Childhood Cohort  ECC - T5

    Middle Childhood Cohort  MCC - T1 MCC - T3 MCC - T5 MCC - T7
     
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    25
    30
    years
    Functional magnetic resonance imaging (MRI) is a non-invasive technique for examining brain activity. Resting state fMRI aims to assess spontaneous brain activity using MRI while the participant is at rest, not performing any specific task. It captures ongoing functional connectivity patterns within the brain.
    Created October 17, 2024 • Updated October 20, 2024

  • measure fMRI - Self-concept Task

    Study:L-CID
    Mode of collection: MeasurementsAndTests    MRI
    Available measurements:
    Early Childhood Cohort  ECC - T5
     
    0
    5
    10
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    20
    25
    30
    years
    The fMRI - Self-concept Task measures brain activity during the Self-concept Task, in which children are asked whether certain negative and positive traits fit them.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Saliva sample - Cortisol

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Early Childhood Cohort  ECC - T3 ECC - T5

    Middle Childhood Cohort  MCC - T3
     
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    30
    years
    Saliva was collected using a cotton swab or a collection device, such as a tube or container (passive drool).
    Created October 17, 2024 • Updated October 20, 2024
You can also access this registry using the API (see API Docs).