• measure Free Play Observation

    Study:L-CID
    Mode of collection: Observation
    Available measurements:
    Early Childhood Cohort  ECC - T1 ECC - T2 ECC - T3

    Middle Childhood Cohort  MCC - T1 MCC - T2 MCC - T3
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Free Play Task aims to measure the way parents and their children interact, by observing them during free play without instructions.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Parenting Daily Hassles Scale (PDH)

    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
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Parenting Daily Hassles Scale (PDH) consists of 20 items that assess the frequency and intensity/impact of hassles experienced by parents taking care of children through 2 subscales: Parenting Task score (10 items) and Challenging behavior (10 items).
    Created October 17, 2024 • Updated October 20, 2024

  • measure E-diary - Saliva sample

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

    Middle Childhood Cohort  MCC - T1 MCC - T3 MCC - T5
     
    0
    5
    10
    15
    20
    25
    30
    years
    The E-diary Daily Structure and Activities of the Children - Saliva assesses information about the saliva sample collection through self-reporting in the Upinion smartphone app, for example whether children ate or drank, brushed their teeth or experienced stress within 30 minutes before saliva collection.
    Created October 17, 2024 • Updated October 20, 2024

  • measure School Questionnaire

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

    Middle Childhood Cohort  MCC - T3 MCC - T4 MCC - T5 MCC - T6
     
    0
    5
    10
    15
    20
    25
    30
    years
    The self-developed School Questionnaire consists of 8 items about school-going of the children: (1) Do child 1 and child 2 go to school together?, (2) Are child 1 and child 2 in the same class?, (3) Was this choice made by you or by the school of child 1 and child 2?, (4) Did child 1 and child 2 go to the same school in previous years?, (5) Were child 1...
    Created October 17, 2024 • Updated October 20, 2024

  • measure MyChild - Internalized Conduct

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

    Middle Childhood Cohort  MCC - T1 MCC - T3
     
    0
    5
    10
    15
    20
    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 Adult Temperament Questionnaire (ATQ)

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

    Middle Childhood Cohort  MCC - T2 MCC - T3
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Adult Temperament Questionnaire (ATQ) is a 77-item questionnaire that measures self-reported effortful control, negative affect/neuroticism, extraversion/surgency, and orienting sensitivity. Each item is scored on a 7-point Likert-scale.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Genotyping (array)

    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
    5
    10
    15
    20
    25
    30
    years
    Assessment of single nucleotide polymorphisms (SNPs) as obtained through genotyping arrays.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Language Environment Analysis (LENA)

    Study:L-CID
    Mode of collection: Recording
    Available measurements:
    Early Childhood Cohort  ECC - T1 ECC - T2 ECC - T3

    Middle Childhood Cohort  MCC - T1 MCC - T2 MCC - T3
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Language Environment Analysis (LENA) aims to assess caregiver speech and child vocalizations by using a device that records sounds from the child's environment.
    Created October 17, 2024 • Updated October 20, 2024

  • measure E-diary - Meals

    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
     
    0
    5
    10
    15
    20
    25
    30
    years
    The E-diary Daily Structure and Activities of the Children - Meals aims to assess the daily structure of different meals throughout the day (breakfast, lunch, and dinner) through self-reporting in the Upinion smartphone app.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Growth Booklet

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

    Middle Childhood Cohort  MCC - T2
     
    0
    5
    10
    15
    20
    25
    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
     
    0
    5
    10
    15
    20
    25
    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 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
     
    0
    5
    10
    15
    20
    25
    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 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
     
    0
    5
    10
    15
    20
    25
    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
     
    0
    5
    10
    15
    20
    25
    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
     
    0
    5
    10
    15
    20
    25
    30
    years
    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 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
     
    0
    5
    10
    15
    20
    25
    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 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
     
    0
    5
    10
    15
    20
    25
    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
    5
    10
    15
    20
    25
    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 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
     
    0
    5
    10
    15
    20
    25
    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 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
     
    0
    5
    10
    15
    20
    25
    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).