To investigate the effects of exercise on mathematical problem-solving ability, a researcher assigned participants to one of two groups. One group cycled on an exercise bike for one hour, and the other group performed no exercises. Afterward, both groups did a set of math problems and their performances were compared. In this experiment, the group that did not exercise is the
A. control group.
B. dependent variable.
C. independent variable.
D. intervening group.
Answer: C
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The first time Charlotte recreationally drank cough syrup, her mom caught her and brought her to the emergency room. She was mildly disoriented by the cough syrup. Her use of cough syrup has not caused any distress or impairment
She might be diagnosed with _____. a. Other/Unspecified Hallucinogen Disorder b. Hallucinogen Use Disorder c. Hallucinogen Withdrawal Disorder d. Hallucinogen Intoxication Disorder
In a well-known study conducted in the 1950s, social psychologist Leon Festinger and colleagues analyzed the friendship patterns among graduate students living in one of the dormitories at MIT. The researchers found that strongest predictor of friendship was ____
a. how extraverted the students were b. similarity in terms of hobbies and activities c. similarity in terms of basic demographics (age, gender, being single versus married, etc.) d. how close the students lived to one another
A property of measurement in which assigning a score of zero indicates an absence of the variable being measured is _____
a. identity b. magnitude c. equal unit size d. absolute zero
Earlier research on passionate love suggested that passionate love shifted to companionate love. Newer research by Tucker and Aron (1993) found:
a. similar findings to previous results. b. that companionate love continued throughout the relationship, although it did have ups and downs. c. that passionate love continued throughout the relationship, although it did have ups and downs. d. that few couples reported passion for their mates over the long term.