BCS70 – 22 month – Developmental Milestones

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The 1970 British Cohort Study (BCS70) assessed their cohort members (CMs) during the study’s sweep at 22 months age using the Developmental Milestones measures.

Details on these measures and the data collected from the CMs are outlined in the table below.


Domain:Developmental milestones
Measures:Gross and fine motor coordination
Speech and language
Personal and social
Drawing
CHC:None
Administrative method:In clinic; questionnaire completed by a doctor
Procedure:The child was asked to perform certain tasks, for example walking, balancing (gross-motor), holding a pencil (fine-motor), say 'mama', 'dada', point to facial features (speech and language) and take off their shoes (personal and social). The doctor recorded whether the task was observed and asked the mother if the child could perform each task. In addition, the child was given a pencil and asked to scribble, draw a circle, vertical line and a cross.
Link to questionnaire:https://cls.ucl.ac.uk/wp-content/uploads/2017/06/22mth_Guide.pdf (opens in new tab)
Scoring:No referenced example (see 'Technical resources' below)
Item-level variable(s):b0030 -b0037 (gross-motor)
b0038-b0039 (fine-motor)
b0044-b0063 (speech and language)
b0064-b0082 (personal and social)
b0040 -b0043 (drawing)
Total score/derived variable(s):None
Age of participant:22 months
Descriptives:(Individual variables - see questionnaire documentation page 18)
Other sweep and/or cohort:BCS70 – 42 months – Developmental Milestones (similar)
Source:See 'Technical resources' below
Technical resources:Chamberlain, R., & Davey, A. (1976). Cross-sectional study of developmental test items in children aged 94 to 97 weeks: Report of the British Births Child Study. Developmental Medicine & Child Neurology, 18(1), 54-70.
Reference examples:Cheung, Y. B. (2002). Zero-inflated models for regression analysis of count data: A study of growth and development. Statistics in Medicine, 21(10), 1461-1469.
Duncan, G. J., Dowsett, C. J., Claessens, A., Magnuson, K., Huston, A. C., Klebanov, P. & Sexton, H. (2007). School readiness and later achievement. Developmental Psychology, 43(6), 1428.

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This page is part of CLOSER’s ‘A guide to the cognitive measures in five British birth cohort studies’.