Dr. DiLorenzo is performing statistical analyses to combine the results of a number of studies investigating the relationship between day care quality and developmental outcomes among children aged 2 to 4. Dr. DiLorenzo is conducting a ______.
a. meta-analysis
b. significance test
c. replication
d. linkage analysis
Ans: A
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How do we perceive the pitch of a low-frequency sound, such as 30 Hz?
a. The number of hair cells responding is proportional to the sound frequency. b. The sound wave excites a particular location on the basilar membrane c. Each hair cell produces an impulse for each sound wave. d. Each sound wave excites a group, or volley, of hair cells.
If we have a regression line predicting the amount of improvement in your performance as a function of the amount of tutoring you receive, an intercept of 12 would mean that
a. you need to have 12 hours of tutoring to get an A. b. if you don't have any tutoring, the best you can do is a grade of 12. c. even without tutoring you will improve. d. tutoring helps.
Individual differences are more commonly found in _____ tasks than for _____ ones.
A) classical conditioning; operant learning B) explicit; implicit C) operant learning; classical conditioning D) implicit; explicit
The adrenal cortex secretes
a. corticoids. b. epinephrine and norepinephrine. c. melatonin. d. oxytocin.