Chunk #21 — Who is in the cohort? — External validity and possible participation biases

Source

Cohort Profile: the 'children of the 90s'--the index offspring of the Avon Longitudinal Study of Parents and Children.

Embedded

yes

Text

Although these data are accurate at the time of writing ALSPACs, initiatives to address incomplete participation, described later in the article, are intended to address these biases and may result in changes in these results.