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  • measure E-diary - Activity

    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 - Activity assesses parents' current activity and activities in the past 15 minutes for several times a day through self-reporting in the Upinion smartphone app.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Social Emotional Vignettes (SEV)

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Middle Childhood Cohort  MCC - T3 MCC - T4
     
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    The Social Emotional Vignettes questionnaire (SEV), previously known as the Brief Shame and Guilt Questionnaire, has 12 questions and two parts (Shame and Guilt). Its purpose is to measure how likely someone is to feel shame or guilt. The questionnaire presents made-up situations, for example social situations at school. Participants rate how much shame...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Hair samples - Testosterone

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Biological sample/measurement
    Available measurements:
    Middle Childhood Cohort  MCC - T2 MCC - T3 MCC - T4
     
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    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 Wechsler Intelligence Scale for Children (WISC)

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Behavioral/cognitive task
    Available measurements:
    Middle Childhood Cohort  MCC - T1 MCC - T7
     
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    The Wechsler Intelligence Scale for Children (WISC) is an IQ test for children 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 Visual...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Twin Social Interaction - Etch-a-Sketch

    Study:L-CID
    Mode of collection: Observation
    Available measurements:
    Early Childhood Cohort  ECC - T6
     
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    The Twin Social Interaction task aims to measure social behavior by having the twins play a game of Etch-a-Sketch together. The Etch-A-Sketch task is a cooperative learning challenge task that requires children to work together in order to succeed. The children are given one Etch-A-Sketch board and are instructed to use the board to copy a series of three...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Temperament in Middle Childhood Questionnaire - Effortful control (TMCQ-EC)

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

    Middle Childhood Cohort  MCC - T1 MCC - T2
     
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    The Temperament in Middle Childhood Questionnaire (TMCQ) is a highly differentiated assessment of temperament in middle childhood. Temperament dimensions for which TMCQ scales have been created were developed and adapted from the Children’s Behavior Questionnaire (CBQ: Rothbart, 2001), Hampton Individual Differences Questionnaire (Victor & Baker,...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Sally-Ann Task

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Behavioral/cognitive task
    Available measurements:
    Early Childhood Cohort  ECC - T1 ECC - T2 ECC - T3 ECC - T4
     
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    The Sally-Ann Task aims to measure a child's ability for Theory of Mind by asking them in which basket they think Sally will look for her ball, after Anne moved the ball from one basket into another while Sally was away.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Behavioral Inhibition and Activation Scale (BIS/BAS)

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Middle Childhood Cohort  MCC - T3 MCC - T4 MCC - T5 MCC - T6 MCC - T7
     
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    The Behavioral Inhibition and Activation Scales (BIS/BAS) measure behavioral inhibition (BIS) and behavioral activation (BAS). This instrument consists of one inhibitory factor (BIS scale) and three activational factors (BAS scales). The BIS scale includes items that refer to the anticipation of punishment. The BAS scales consist of items that refer to...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Out of School Activities Questionnaire

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Middle Childhood Cohort  MCC - T6
     
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    The Out of School Activities Questionnaire is a self-developed questionnaire comprising 14 items designed to assess the child's extracurricular engagements. It focuses on gathering information about the type, duration, and frequency of activities they participate in outside of school hours. The questionnaire aims to capture data on a range of activities,...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Inventory of Callous-Unemotional traits (ICU)

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Middle Childhood Cohort  MCC - T2 MCC - T3
     
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    The Inventory of Callous-Unemotional traits (ICU) is a 24-item questionnaire that assesses callous and unemotional (CU) traits, a central feature of psychopathy, also known as abnormal affective empathy (Jones et al., 2010). CU traits are defined by a lack of empathy, guilt, remorse and emotion (Moran et al., 2009). The ICU has three subscales:...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Donating Task - Stickers

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Behavioral/cognitive task
    Available measurements:
    Early Childhood Cohort  ECC - T1 ECC - T2 ECC - T3 ECC - T4
     
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    The Donating Task - Stickers aims to measure costly prosocial behavior by giving a child the option to donate (some of) their stickers to another child or keep them for themselves. The child is told that the other same-sex child will participate in the research tomorrow. This other child will complete the same tasks, but they will not have any stickers....
    Created October 17, 2024 • Updated October 20, 2024

  • measure E-diary - Sleep

    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 - Sleep assesses information about sleep through self-reporting in the Upinion smartphone app. Items include time of going to sleep, sleep duration, sleep interruptions and daytime naps.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Twin Social Skills or Differences

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

    Middle Childhood Cohort  MCC - T1 MCC - T2
     
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    The Twin Social Skills or Differences Questionnaire is a self-developed questionnaire that consists of 8 (generally open) questions about the perceived differences between the twins in terms of character and social skills.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Online Acts Questionnaire

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Middle Childhood Cohort  MCC - T6 MCC - T7
     
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    The Online Acts Questionnaire is a self-developed questionnaire that consists of 16 items assessing behavior of children on social media, through topics such as prosocial behavior and social media participation. Items include, for example, "I am popular on social media", "I am friendly for others on social media", and "I often like posts from someone I...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Wechsler Preschool and Primary Scale of Intelligence (WPPSI)

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Behavioral/cognitive task
    Available measurements:
    Early Childhood Cohort  ECC - T2 ECC - T3 ECC - T4
     
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    The Wechsler Preschool and Primary Scale of Intelligence (WPPSI) is an IQ test for children 2.5 to 7.25 years of age to determine general intelligence. It uses subtests to determine a child's Verbal and Performance IQ scores, as well as processing speed.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Social Delay Discounting Task (SDDT)

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Behavioral/cognitive task
    Available measurements:
    Middle Childhood Cohort  MCC - T7
     
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    The Social Delay Discounting Task (SDDT) aims to measure impulse control in a social context. In the task, the child is asked first to choose between a small amount of money now or a larger amount later. Next, the child is presented with a choice between receiving a smaller amount of money for themselves immediately or a larger amount for a friend at a...
    Created October 17, 2024 • Updated October 20, 2024

  • measure Social Contact Questionnaire

    Study:L-CID
    Mode of collection: SelfAdministeredQuestionnaire
    Available measurements:
    Middle Childhood Cohort  MCC - T6
     
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    The Social Contact Questionnaire is a self-developed questionnaire that consists of 10 items assessing the duration, types and importance of the children's social contacts, including parents, siblings, grandparents, and friends.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Reading Ability Task

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Behavioral/cognitive task
    Available measurements:
    Early Childhood Cohort  ECC - T5

    Middle Childhood Cohort  MCC - T2
     
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    The Reading Ability task (Drie Minuten Toets) is used to assess reading ability by letting children read as many separate words from a list as possible within three minutes.
    Created October 17, 2024 • Updated October 20, 2024

  • measure Anthropometrics - Headcircumference, height, weight

    Study:L-CID
    Mode of collection: MeasurementsAndTests    Anthropometrics/Body measures
    Available measurements:
    Early Childhood Cohort  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 MCC - T7
     
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    Anthropometrics measured included the circumference of the child's head, the child's height, and the child's weight.
    Created October 17, 2024 • Updated October 20, 2024

  • study Leiden Consortium on Individual Development

    Study:L-CID
    The Leiden Consortium on Individual Development (L-CID) study was founded by Marinus van IJzendoorn, Eveline Crone, Marian Bakermans-Kranenburg and Rutger Engels in 2013. It was developed as one of four work packages of the overarching Consortium on Individual Development (CID). The L-CID study is a large-scale longitudinal intervention study in which 500...
    Created October 17, 2024 • Updated October 20, 2024