• 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 June 5, 2024 • Updated June 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 June 5, 2024 • Updated June 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 June 5, 2024 • Updated June 20, 2024

  • measure Pregnancy and Birth

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

    Middle Childhood Cohort  MCC - T1
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Pregnancy and Birth questionnaire is a self-developed questionnaire that consists of 13 items about the start of the pregnancy, the pregnancy course (e.g. presence of complications, smoking behavior), and the birth of the twins (e.g., method, date, complications).
    Created June 5, 2024 • Updated June 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 June 5, 2024 • Updated June 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 June 5, 2024 • Updated June 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 June 5, 2024 • Updated June 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 June 5, 2024 • Updated June 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 June 5, 2024 • Updated June 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 June 5, 2024 • Updated June 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 June 5, 2024 • Updated June 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 June 5, 2024 • Updated June 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 June 5, 2024 • Updated June 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 June 5, 2024 • Updated June 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 June 5, 2024 • Updated June 20, 2024

  • measure Etch-a-sketch

    Study:L-CID
    Mode of collection: Observation
    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 Etch-A-Sketch task is a cooperative learning challenge task that requires a parent to work together with their child in order to succeed. The parent and child are given one Etch-A-Sketch board and are instructed to use the board to copy a series of three designs that increase in complexity. The parent and child must work together as one controls the...
    Created June 5, 2024 • Updated June 20, 2024

  • measure E-diary - Mood parents

    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 Parent assesses the mood of the parents 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 June 5, 2024 • Updated June 20, 2024

  • measure Parenting Attitudes Questionnaire (PAQ)

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

    Middle Childhood Cohort  MCC - T1 MCC - T2 MCC - T3 MCC - T4 MCC - T5 MCC - T6
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Parenting Attitudes Questionnaire (PAQ) consists of 20 items that assess a parent's attitudes about parenting styles, trough two subscales: attitudes toward sensitivity (9 items) and attitudes toward sensitive discipline (10 items).
    Created June 5, 2024 • Updated June 20, 2024

  • measure Hair samples - Questionnaire

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    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
    The Hair samples - Questionnaire consists of three questions that assess hair characteristics when the hair samples are collected, e.g., the last time the hair was washed, hair color, etc.
    Created June 5, 2024 • Updated June 20, 2024

  • measure Demographic family characteristics

    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 MCC - T7
     
    0
    5
    10
    15
    20
    25
    30
    years
    The Demographic Family Characteristics questionnaire consists of 14 items that assess family characteristics, such as age, gender, socio-economic status, etc.
    Created June 5, 2024 • Updated June 20, 2024
You can also access this registry using the API (see API Docs).