A good control group __________.
A. contains at least one confound
B. has a limited number of dependent variables
C. has a limited number of research participants
D. holds constant all variables in the experiment
Answer: D
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Which of these helps explain why people continue an addiction, despite harm to their lives?
a. As tolerance to the substance increases, the pleasure increases also b. People tend to forget how unpleasant the withdrawal symptoms can be. c. The nucleus accumbens gradually becomes less sensitive to the substance. d. The person learns to use the substance to relieve distress.
The term rhombencephalon refers to the ____
a. brainstem b. hindbrain c. midbrain d. forebrain
When the experimenter manipulates the independent variable, there should be a corresponding change in the _____ variable if there is a cause-effect relationship between them
a. independent c. inductive b. dependent d. deductive
Infants of mothers who interact easily and confidently with them are more likely to develop intense, difficult temperaments
Indicate whether the statement is true or false