• measure Zygosity (questionnaire)

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

    Middle Childhood Cohort  T1
    0
    30 years
    The Zygosity questionnaire asks parents of twin pairs about the resemblance between the twins to determine whether the twin pair is mono- or dizygotic. This questionnaire consists of 10 questions: 6 items about physical similarities between the twin and 4 items about confusion in identifying the twins by parents and others.
    Created March 28, 2023 • Updated March 28, 2023
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