What is the primary benefit of matching?
a. it eliminates the influence of virtually all known extraneous variables
b. it eliminates experimenter expectancy and participant effects
c. it overrides the need for random assignment
d. the influence of the variables on which participants are matched is spread evenly across groups
Dr. Drinkwater wants to describe what it is like to be Amish in the 21st century. He has befriended several members of a local Amish community who have invited him to come and live with them for the year.
The best approach to this study would be to do
a. a phenomenological study.
b. an ethnographic study.
c. a collective case study.
d. a correlational study.
Quasi-experimental designs lack the controls of strong experimental designs.
a. however, causal inferences can be made to the extent that rival hypotheses can be ruled out
b. as such, causal inferences should never be made
c. however, in most cases such deficiencies can be safely ignored
d. thus, such studies should not be performed by ethical researchers
The results section should indicate
a. which participants were used in the study.
b. the stimulus materials used in the study.
c. the alpha level and the p-value of the statistical tests.
d. the likely applicability of the study to real world settings.
What is the dependent variable in this study?
a) food
b) ginger root
c) the time it takes the rat to run the maze
d) day
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