Two sets of observations assessing hours spent watching television and grade point averages among elementary school children are compared. Which of the following is the most likely outcome?
a. The two variables will be both positively and negatively correlated.
b. The two variables will be uncorrelated.
c. The two variables will be negatively correlated.
d. The two variables will be positively correlated.
Answer: c
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In a correlational study,
a. 1 variable is measured and 2 groups are compared. b. 2 variables are measured and 2 groups are compared. c. 1 variable is measured and there is only 1 group of participants. d. 2 variables are measured and there is only 1 group of participants.
Regarding the factors related to interpersonal attraction, which of the following statements is/are TRUE?
A. Physical attractiveness may be the most important factor influencing the development of friendships. B. physical beauty is generally unrelated to intelligence, talents, and abilities. C. People are most attracted to people who hold opposite interests, attitudes, and backgrounds from their own.
______ can also be done with twins to match genetics and/or upbringing in a study or couples to examine differences across members of the couple while matching the dynamics of the relationship within each couple.
A. Post hoc design B. Matched design C. Pretest-posttest design D. Related/paired samples t test
Day care centres that have implemented small fines when parents are tardy in picking up their children have reported that tardiness _____, MOST likely because the _____ motivation for being on time has been _____.
A) decreases; extrinsic; increased B) decreases; intrinsic; increased C) increases; extrinsic; reduced D) increases; intrinsic; reduced