A repeated-measures ANOVA with n = 5 subjects has dfwithin-treatment equal to 12 . What is the value for dferror for this analysis?

Divorce is influenced by many factors, including

the time of year. home ownership. the social and political context. health insurance issues.

Among college students, fewer than one-fourth have ever tried

A. alcohol. B. cigarettes. C. marijuana. D. hallucinogens.