Having found that the time children spend watching TV correlates with their weight, Dr. Sereno wanted to test the hypothesis that this relationship is due to activity level (less active children watch more TV and also are heavier). What approach could she use to examine this question?
a. coefficient of determination
b. partial correlation
c. linear regression
d. a scatterplot
e. Pearson correlation
Answer: b. partial correlation
Psychology
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Babies recognize key vowel and consonant sounds of their native language by ________
a. 2 to 3 months. b. 4 to 6 months. c. 6 to 8 months. d. 8 to 12 months.
Psychology
Kelly believed that individuals:
a. must rely on their parents in making their choices and decisions b. can not freely make decisions that are successful c. make their own choices and decisions and are responsible for the consequences of their actions d. should almost always rely on others to make good decisions
Psychology