Which of the following is a nonprobability stratified sampling method?
A. simple random sampling
B. quota sampling
C. convenience sampling
D. chance sampling
B. quota sampling
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During the orientation phase of group decision making, the group should
a. recruit additional members. b. discuss issues and gather information needed to make the decision. c. clarify goals and ways to reach those goals. d. assign roles. e. review and, if necessary, practice communication skills.
Which of the following is sometimes called a "before-after design?"
A. preexperiment B. one-shot case study C. one-group pretest-posttest D. posttest-only control group
Scientists are trained to use the a priori method of obtaining knowledge
Indicate whether the statement is true or false
The purpose of an experiment is to demonstrate that changes in one variable are responsible for causing changes in a second variable
a. True b. False Indicate whether the statement is true or false