To investigate the effects of exercise on mathematical problem-solving ability, a researcher assignsparticipants to one of two groups. One group cycles on an exercise bike for one hour, and the other group performs no exercises. Afterward, both groups work on a set of math problems and their performances are compared. In this experiment, the group that does not exercise is the ____.?
a. ?control group
b. ?dependent variable
c. ?independent variable
d. ?intervening group
ANSWER:
c
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A longitudinal study of 200 African American students in two-parent families (Dotterer et al., 2013) concluded that increases in GPA and academic self-esteem were associated with __________.
A. increased use of the authoritarian parenting style B. increases in parental warmth C. strict discipline D. self-motivation on the part of the adolescents
Sternberg's three types of intelligence are academic, creative, and practical
Indicate whether this statement is true or false.
According to the article Yoking Smokingabout operant conditioning, which of the following correctly
identifies the independent and dependent variables in this experiment on smoking cessation? (a) IV: brand of cigarettes smoked, DV: survey of smoking behavior (b) IV: abstinence, DV: naturalistic observation of smoking (c) IV: reward contingency, DV: ppm of CO (d) IV: ppm of CO, DV: amount of money paid
A researcher conducts a study using the Strange Situation. The researcher is studying
a. the stability of temperament. c. infants' recognition of others' emotions. b. the development of basic emotions. d. attachment relationships.