The Natsal-1 methodology was published in two books:
- Wellings, K., Field, J., Johnson, A.M., Wadsworth, J. & Bradshaw, S. (1994) Sexual Behaviour in Britain: The National Survey of Sexual Attitudes and Lifestyles. London: Penguin Books Ltd
- Johnson, A.M., Wadsworth, J., Wellings, K. & Field, J. (1994) Sexual Attitudes & Lifestyles. Oxford: Blackwell Scientific Publications
You can download a report from a qualitative study carried out by NatCen Social Research (then SCPR) before the first Natsal survey, exploring the best language to use in the questionnaire here. [Reference: Spencer L, Faulkner A, Keegan J (1988) Talking about sex: Asking the public about sexual behaviour and attitudes. London: Social and Community Planning Research].
The Natsal-2 technical report can be found below: