The procedure used to help ensure that the experimental and control groups do not differ in any way that might affect the results of an experiment is called:
A) variable controlling.
B) random assignment.
C) representative sampling.
D) stratification.
Ans: B) random assignment.
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__________________ desensitization involves imaginal contact with the feared stimuli in the hierarchy
Fill in the blank(s) with correct word
A young woman cannot stop thinking about how hopeless her life is. No matter how much she tries to think about other things, all she can think about is what has gone wrong. This woman is engaging in ____
a. hypomania b. expansive mood c. rumination d. psychosis
Compared to the adult brain, the brain of a newborn baby has fewer connections between nerve cells, which are called
a. dendrites. b. synapses. c. ion channels. d. nodes of Ranvier.
Nocturnal panic attacks generally occur when an individual is
A. in REM sleep. B. having a nightmare. C. deeply asleep. D. dreaming.