Researchers (Davidson & Jaccard, 1979) studied the relationship between women's attitudes and their use of the birth control pill. They found that the best predictor of whether women were using the birth control pill two years after reporting their attitudes was the women's .

Why are committees necessary in congress?

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.

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