Multiple Choice
A researcher is concerned that gender may affect how subjects respond to an experimental stimulus.So subjects are paired with another subject who has the same gender,and one member from each pair is assigned by a flip of a coin to the experimental group and one to the control group.This method of assigning subjects to groups is called ______.
A) matching
B) quotas
C) stratified randomization
D) random assignment
Correct Answer:

Verified
Correct Answer:
Verified
Q18: A quasi-experimental design is indicated if subjects
Q19: Explain at least four different ways to
Q20: Time order cannot be assured in nonequivalent
Q21: A true experiment allows the establishment of
Q22: What is a procedure used to equate
Q24: A true experiment must have all of
Q25: Two types of before-and-after experimental designs in
Q26: In what situations is it ethical to
Q27: Is it possible to determine whether a
Q28: A researcher is asked to distribute medication