• wave W10

    Study:RADAR
    Parent cohort:RADAR: Young Cohort
    Publisher: Data Archiving and Networked Services Utrecht University
    Wave 10 of the RADAR Young Cohort included 365 participants of around 25 years old, including their intimate partner, their sibling and the sibling's intimate partner.
    Created March 28, 2023 Updated April 4, 2023
  • wave W13

    Study:RADAR
    Parent cohort:RADAR: Old Cohort
    Publisher: Data Archiving and Networked Services Utrecht University
    Wave 13 of the RADAR Old Cohort included 253 participants of about 30 years old, including their partner, their sibling and the intimate partner of the sibling.
    Created March 28, 2023 Updated April 4, 2023
  • wave T7

    Study:TRAILS
    Parent cohort:TRAILS: Population cohort
    Publisher: University Medical Center Groningen
    TRAILS (TRacking Adolescents' Individual Lives Survey) is an ongoing, multidisciplinary research on the psychological, social and physical development of adolescents and young adults. More than 2500 young people participate, since their tenth or eleventh year. For more than 20 years, these participants have been examined every 2 to 3 years, through...
    Created March 28, 2023 Updated March 28, 2023
  • wave T4

    Study:L-CID
    Parent cohort:LCID: Middle Childhood Cohort
    Publisher: Leiden University Leiden University Medical Center
    Wave 4 of the Middle Childhood Cohort consisted of an online questionnaire and a home visit in which participants were observed while performing several tasks. Additionally, physiological samples were taken (e.g., hair samples). Participants were also asked to take measurements on their own at home for several days after the home visit.
    Created March 28, 2023 Updated March 28, 2023
  • wave T5

    Study:L-CID
    Parent cohort:LCID: Early Childhood Cohort
    Publisher: Leiden University Leiden University Medical Center
    Wave 5 of the Early Childhood Cohort consisted of an online questionnaire and a lab visit in which participants were observed while performing several tasks. During some of the tasks, brain structure- and activity was measured by means of (f)MRI. Participants were also asked to take measurements (including collecting physiological data) on their own at...
    Created March 28, 2023 Updated March 28, 2023
  • wave 12 years

    Study:YOUth
    Parent cohort:YOUth: Child and Adolescent
    Publisher: Utrecht University University Medical Center Utrecht
    The 12y wave is the wave that measures children aged 11-16 years old and their parents. Originally, the 12y wave was intended to measure 11-13 year old children, but due to the Covid-19 pandemic and other factors, the 12y and the 15y waves had to merged.
    Created March 28, 2023 Updated March 30, 2023
  • wave T6

    Study:L-CID
    Parent cohort:LCID: Early Childhood Cohort
    Publisher: Leiden University Leiden University Medical Center
    Wave 6 of the Early Childhood Cohort consisted of regular home visits before the start of the covid-19 pandemic, and digital home visits during the Covid-19 pandemic. In both cases, participants were observed while they performed tasks and they filled out an online questionnaire. During the pandemic, however, some tasks were dropped. Physiological samples...
    Created March 28, 2023 Updated March 28, 2023
  • wave T5

    Study:L-CID
    Parent cohort:LCID: Middle Childhood Cohort
    Publisher: Leiden University Leiden University Medical Center
    Wave 5 of the Middle Childhood Cohort consisted of regular home visits before the start of the Covid-19 pandemic, and digital home visits during the Covid-19 pandemic. In both cases, participants were observed while they performed tasks and they filled out an online questionnaire. Participants also took measurements on their own at home. During the...
    Created March 28, 2023 Updated March 28, 2023
  • wave T6

    Study:TRAILS
    Parent cohort:TRAILS: Clinical cohort
    Publisher: University Medical Center Groningen
    TRAILS (TRacking Adolescents' Individual Lives Survey) is an ongoing, multidisciplinary research on the psychological, social and physical development of adolescents and young adults. More than 2500 young people participate, since their tenth or eleventh year. For more than 20 years, these participants have been examined every 2 to 3 years, through...
    Created March 28, 2023 Updated March 28, 2023
  • wave T6 - Covid

    Study:L-CID
    Parent cohort:LCID: Early Childhood Cohort
    Publisher: Leiden University Leiden University Medical Center
    Wave 6 - Covid of the Early Childhood Cohort consisted of an online questionnaire that assessed both physical- and mental health during the Covid-19 pandemic.
    Created March 28, 2023 Updated March 28, 2023
  • wave T5 - Covid

    Study:L-CID
    Parent cohort:LCID: Middle Childhood Cohort
    Publisher: Leiden University Leiden University Medical Center
    Wave 5 - Covid of the Middle Childhood Cohort consisted of an online questionnaire that assessed both physical- and mental health during the Covid-19 pandemic.
    Created March 28, 2023 Updated March 28, 2023
  • wave Covid questionnaires

    Study:Generation R
    Parent cohort:Generation R: Main Cohort
    Publisher:
    Parent and child self-report questionnaires during the Covid-19 pandemic in 2020.
    Created May 3, 2023 Updated May 3, 2023
  • wave 17-18 years

    Study:Generation R
    Parent cohort:Generation R: Main Cohort
    Publisher:
    Parent and child self-report questionnaires and brain imaging, psychiatric interview, blood samples and anthropometrics at visit at the research center at 18 years.
    Created May 3, 2023 Updated May 3, 2023
  • wave T6

    Study:L-CID
    Parent cohort:LCID: Middle Childhood Cohort
    Publisher: Leiden University Leiden University Medical Center
    Wave 6 of the Middle Childhood Cohort consisted of a digital home visit because of the Covid-19 pandemic. Participants were observed while they performed tasks and they filled out an online questionnaire. Some tasks were dropped, however, because it was not possible to perform them during a digital visit. Participants also took measurements on their own...
    Created March 28, 2023 Updated March 28, 2023
  • wave T4

    Study:RADAR
    Parent cohort:RADAR-G3: Third Generation
    Publisher: Utrecht University
    In wave 4 of the RADAR-G3 Cohort, the (now grown-up) RADAR targets and the target's siblings, and their partner filled out questionnaires about their child's (G3) temperament, developmental milestones, psychosocial adjustment, and child-rearing when that child was around 7 years old. These were followed by a home visit at around 7.5 years old where the...
    Created March 28, 2023 Updated April 4, 2023
  • wave 6 years

    Study:YOUth
    Parent cohort:YOUth: Baby and Child
    Publisher: Utrecht University University Medical Center Utrecht
    The 6y wave is the wave that measures children aged 5-7 years old and their parents.
    Created March 28, 2023 Updated March 30, 2023
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