To compute a z score, you subtract the mean from the score and then you divide that difference by the standard deviation.

Expertise, attractiveness, and trustworthiness all relate to which factor of persuasion?

a) channel b) message c) source d) audience

Biological and environmental challenges shared by adolescents in all times and in all cultures are examples of

A) age-graded influences. B) sociocultural-graded influences. C) nonnormative life events. D) history-graded influences.