UK Data Service variable record for:
| Variable | BCSID |
| Label | research case identifier |
| Disclaimer | Please note that these frequencies are not weighted. |
| Location | 1970 British Cohort Study: Sixteen Year Follow-up, Reading and Matrices Tests, 1986 |
| Universe | The instrument was sent out to every school in Great Britain at which anyone born in April 1970 was likely to be attending.;National |
| Sampling | No sampling (total universe) |
| Study Type | Longitudinal/panel/cohort; Cross-sectional element of the BCS70 longitudinal study |