Professor Marshall wants to know whether eating sweets before bedtime causes children to take longer to fall asleep. In his experiment, whether or not a sweet is given before bedtime is the ________
a. independent variable.
b. dependent variable.
c. control variable.
d. extraneous variable.
Answer: a
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In thinking rationally about health statistics, it is important to remember that correlational studies do not indicate a(n) ____________________ link between the variables
Fill in the blank(s) with correct word
When placed in a Skinner box, a rat is active, sniffing, poking, and exploring its environment, displaying behaviors that are _____
a. emitted c. respondent b. elicited d. extinguished
Why is it believed that IQ scores in the United States have risen over the past couple of generations?
A. Better health care B. Less to worry about C. Better education D. Small genetic changes
If Jess acts cranky only when she has been up late the previous night, crankiness has:
a. high distinctiveness b. high consensus c. low consensus d. low consistency