Define the terms control and manipulation. Describe a possible Lab experiment where you would need to control a variable. Further, include a possible variable over which you would have no control, that could affect your experiment.
Answer to relevant QuestionsExplain the possible ways in which you can control “nuisance” variables. History is a key problem in a time series design. “Other problems are main and interactive testing effects, mortality, and maturation.” Explain. Try to come up with two unidimensional and two multidimensional abstract concepts. Explain why these concepts have either one or more than one dimension. Briefly describe the difference between attitude rating scales and ranking scales and indicate when the two are used. Why do you think the sampling design should feature in a research proposal?
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