Chunk #63 — Methods/Design — Data checking — Questionnaire data

Source

The Lothian Birth Cohort 1936: a study to examine influences on cognitive ageing from age 11 to age 70 and beyond.

Embedded

yes

Text

Once the SPSS databases had been checked and updated, frequencies were run on all numerical input to ensure that all results were within the appropriate scales, and any errors were checked against the original, handwritten datasheets and corrected as necessary.