The reason for including a placebo group in a drug study is to control for:
a. experimenter bias.
b. physiological effects of the drug.
c. participants' expectations of change.
d. the experimenter being blind.
C
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A full understanding of gender begins by understanding that gender does not change over time
a. True b. False Indicate whether the statement is true or false
Plotnik's example of skateboarder Tony Hawk shows that:
A. learning can also occur just by observation, without external rewards B. human learning differs greatly from animal learning C. rewards actually interfere with learning D. complex behaviors can be acquired through classical conditioning
In order to avoid coercing young children into participating in research, scientists are best served to obtain the ______.
A. child’s written consent and the guardian’s verbal assent B. child’s verbal assent and the guardian’s written consent C. child’s verbal assent and written consent D. guardian’s verbal assent and written consent
In theory, the decision in the case of Jackson v. Indiana (1972) stopped which practice?
A. judges' refusal to allow mental health professionals to testify regarding the defendant's competence B. defense attorney's refusal to inform the court of incompetency on the part of the defendant C. having the defendant confined in a mental institution for extended periods of time D. attempts by defendants to claim incompetence to avoid being tried for their crimes