Cattell agreed that the _____ approach to research is scientific, rigorous, and quantitative but argued that it dealt with only limited aspects of personality

Weber's Law states that a just noticeable change in a stimulus magnitude is ________ the original stimulus magnitude

a. proportional to b. equal to c. greater than d. less than

Recent scientific studies have concluded that most women should gain ____ pounds during pregnancy

15 to 20 25 to 35 35 to 40 45 to 50