AQMeN - Applied Quantitative Methods Network

Can anyone suggest some references for first principles derivation of power and sample size formulae as used in e.g. Statistical Power Analysis for the Behavioural Sciences by Jacob Cohen.

John Little
Maths and Statistics Support Tutor
Study Skills and Access Unit
The Robert Gordon University
Room H331
Faculty of Health and Social Care
Garthdee Campus
Garthdee Road
Aberdeen AB10 7QD
tel. 01224 262135