The republication of original data that were previously published is called ______.

The prevalence of premenstrual dysphoric disorder is close to_________of women.

Fill in the blank(s) with the appropriate word(s).

Jason is 6 years old. His parents think he talks non-stop. In testing in the laboratory, he probably has a vocabulary of about ____ words

a. 2000 b. 2500 c. 3000 d. 3500