In general, research hypotheses need to be __________ and __________.
a. complicated; multidimensional
b. testable; falsifiable
c. expensive; profitable
d. open-ended; historical
Question 2
Professor Sinclair is designing a dependent-groups study where he wants to present three colored balls (red, green, and blue) to young toddlers, to see which color they prefer.
In designing the study, he creates the following sequences: red-green-blue, red-blue-green, red-green-blue, blue-red-green, green-blue-red, and blue-red-green. He is concerned about order effects, so he administers each of these sequences one at a time. What type of design is he using?
a. Latin square
b. ABBA counterbalancing
c. Block randomization
d. Double-blind placebo
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