A sample of difference scores has a mean of MD = 5 with a variance of s2 = 100 . If effect size is measured using Cohen's d, what is the value of d?

Larry has noticed that when he wears jeans and T-shirts he is treated differently when he goes shopping than when he wears a suit and tie. This illustrates how physical appearance can influence:

a. person perception c. deindividuation b. social facilitation d. person polarization

Sleeper effects of teratogens means effects that ______.

A. appear while the person is asleep B. cause drowsiness at various times during the day C. are difficult to determine D. appear years later