How Many Subjects? is a practical guide to sample size calculations and general principles of cost-effective research. It introduces a simple technique of stati

With increased emphasis on helping readers understand the context in which power calculations are done, this Second Edition of How Many Subjects? by Helena Chmu

Do you want to get all A's and still have time to enjoy college? It's possible, but only by studying smarter, not harder. The College Success Cheat Sheet will s