The definition of random assignment is
A) subjects are selected at random to participate in the experiment.
B) once selected, subjects are placed at random into one of the treatment groups.
C) both a and b
D) neither a nor b
Correct Answer:
Verified
Q1: In the cookie example, what is the
Q3: The classical experiment design has
A) one group
Q4: Compared to the posttest-only control group design,
Q5: The one-shot experimental design has
A) no pretest
Q6: Interviewer effect mostly occurs in surveys.
Q7: The "one-shot" research design has only one
Q8: Too few response categories on a questionnaire
Q9: A focus group is a structured interview
Q10: Survey methods of data collection include ethnography
Q11: When developing a survey, pretests can be
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