True or false? unemployed people are much more likely to use alcohol and marijuana than full-time workers.

Ethnicity is used to distinguish between groups based on cultural elements, but according to the information presented in the lecture (blank) would encompass the details about a person like the shape of his or her features.

Which of the following is a consequence of the new “24-hour news cycle

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a. static group comparisonb. pretest-posttest control group designc. control-group-time-series designd. nonrandomized control-group pretest-posttest design