Which of the following is a valid method of determining the necessary sample size of an investigation?
a) Through the effect size, alpha, and power
b) Through the clinical significance of an investigation
c) Through conventions in his or her field of research
d) Through the use of significance tests
Correct Answer: a
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Which of the following statements about suicide is correct? a. The suicide rate is high among African Americans but low among Native Americans. b. The suicide rate among adolescents in the U.S. is decreasing
c. For college students, suicide is the second leading cause of death. d. Females are more likely than males to die from suicide.
Therapists who explore childhood to assist clients in developing insight into their psychological problems are using the _____ orientation.
A) eclectic B) humanistic C) psychodynamic D) cognitive
Which of the following exemplifies conformity?
A. getting a hair cut because it is summer time B. getting a hair cut because most women your age have short hair C. getting a hair cut to surprise a significant other D. getting a hair cut because your hair is thinning
How does a time series design with nonequivalent control group differ from a nonequivalent control group design? Identify a threat to internal validity that is controlled by adding a nonequivalent control group to a simple interrupted time series design.
What will be an ideal response?