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One of the problems with using aluminum foil to line casserole dishes is that it sticks to the food.Reynolds Wrap has developed Release nonstick aluminum foil.Its advertising campaign for the new product describes how the new foil is superior to existing foils.What type of advertising is Reynolds Wrap using to promote Release?
Internal Validity
The extent to which a study can demonstrate a causal relationship between variables, minimizing the impact of confounding variables.
External Validity
The extent to which the results of a study can be generalized to other situations and to other people outside of the experimental setting.
Construct Validity
The degree to which a test or instrument measures the theoretical construct or psychological concept it intends to measure.
Population
The total number of people under consideration.
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