Which of the following is true about the principles of research design?
A. The design chosen for a given study depends on the answers provided by the population.
B. The way the different variables, used by researchers, influence each other is irrelevant to the research design.
C. Research is almost always conducted on large populations and not on samples.
D. The first step in obtaining a sample is for the researchers to decide the makeup of the entire group.
Answer: D
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"Remote" grandparents usually __________.
A. call and visit frequently with their grandchildren B. rarely visit with their grandchildren and show little interest in them C. take full responsibility for raising their grandchildren D. take care of the grandchildren several times a week while parents work
An intense state of happiness is
a. melancholy. b. euphoria. c. dysthymia. d. depression.
The id operates according to the pleasure principle
Indicate whether the statement is true or false
While brain maturity helps us perform our important mental processes, _____________ provide the stimulation needed to prune the less efficient circuits
A) dominant genes B) learning disorders C) glial cells D) mental and physical exercises