Among 18- to 29-year-olds in the United States, what percentage use social networking websites?

In Stanley v. Georgia (1969), the United States Supreme court ruled that possession of obscene material in one's home was a criminal act

Indicate whether the statement is true or false

Perhaps the best rater training program is ________

a. the Cronbach method b. frame-of-reference training c. BARS training d. no rater training program is effective