A correlation of .6 was obtained from a particular sample. The two measures are then administered to a sample from a more homogeneous population. The expected correlation in this new sample will probably be

According to the text, approximately how many Peace Corps volunteers are currently serving?

a. 5,000 b. 9,000 c. 15,000 d. 178,000

There are two types of sex hormones: male hormones called ________ and female hormones called ________

A) androgens, estrogens B) estrogens, androgens C) testosterone, androgens D) estradiol, estrogens