Multiple Choice
Last year, the state increased the speed limit on one section of highway from 55 to 65 mph. To evaluate the effect of the change, a researcher gathered accident reports for six months before the change and for six months after the change. This is an example of a(n) ____.
A) time-series design
B) pretest-posttest design
C) cross-sectional design
D) longitudinal design
Correct Answer:
Verified
Correct Answer:
Verified
Q13: Differential history effects are a threat to
Q14: A time-series design is a(n) _.<br>A) nonexperimental
Q15: The Pre-post designs are similar to within-subjects
Q16: Nonexperimental studies always contain a threat to
Q17: The Pretest-posttest nonequivalent control group design reduces
Q19: Which research design is being used by
Q20: Six months after a devastating earthquake, a
Q21: Describe the similarities and differences between time-series
Q22: Explain the benefits of adding a pretest
Q23: What is one difference between a time-series