All Outputs (2)

Limits of teacher delivered sex education: interim behavioural outcomes from randomised trial. (2002)
Journal Article
Wight, D., Raab, G., Henderson, M., Abraham, C., Buston, K., Hart, G., & Scott, S. (2002). Limits of teacher delivered sex education: interim behavioural outcomes from randomised trial. The BMJ, 324, 1430-1435. https://doi.org/10.1136/bmj.324.7351.1430

The authors report on an innovative teenage sex education program focused specifically on unsafe practices and presented by teachers. The program had no effect on sexual activity or sexual risk taking among the teenage students. However, the students... Read More about Limits of teacher delivered sex education: interim behavioural outcomes from randomised trial..

Balance in cluster randomised trials. (2001)
Journal Article
Raab, G., & Butcher, I. (2001). Balance in cluster randomised trials. Statistics in Medicine, 20, 351-365. https://doi.org/10.1002/1097-0258%2820010215%2920%3A33.0.CO%3B2-C

This paper explores the role of balancing covariates between treatment groups in the design of cluster randomized trials. General expressions are obtained for two criteria to evaluate designs for parallel group studies with two treatments. The first... Read More about Balance in cluster randomised trials..