Here you will find all the documentation for our studies. This includes survey questionnaires, interviewer instructions, showcards, technical reports, survey reports, and derived variables. For more information, take a look at our guide to the different documentation types.
Guide to Child Assessment Data using the BAS II to allow for comparison opportunities to other cohort studies
Guide to questionnaires administered based on child age and how they differ in design
User Guide for the BCS70 Age 5 Maternal questionnaire