Multiple Choice
Igor wanted to do an experiment testing the effects of a new classroom strategy for teaching reading on the reading skills of elementary school students.He used random assignment and wanted to make sure that neither the subjects nor the experimenters knew which was the experimental group and which was the control group.It would be best to use the
A) ex post facto design.
B) static-group comparison.
C) one-group pretest-posttest design.
D) double-blind design.
E) Solomon 4-group design
Correct Answer:
Verified
Correct Answer:
Verified
Q3: When events (e.g.life stressors)outside of the researcher's
Q4: You have just been employed by a
Q5: The problem of external validity refers to
Q6: In evaluating how effective an anti-bullying program
Q7: Subject "mortality" is usually a greater problem
Q9: Which design addresses the problem of testing
Q10: Researchers tend to use probability samples to
Q11: As a longitudinal experiment,Juan worked with two
Q12: From a scientific perspective,the preexperimental design that
Q13: The posttest-only control group most closely represents