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In an opinion survey,a random sample of 1000 adults from the U.S.A and 1000 adults from Germany were asked whether they supported the death penalty.590 American adults and 560 German adults indicated that they supported the death penalty.The researcher wants to know if there is sufficient evidence to conclude that the proportion of adults who support the death penalty is higher in the U.S.A.than in Germany.What is the decision at = .10?
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Face Validity
Superficial observation that a test appears to cover the correct content or domain. This is not an actual form of validity since the appearance of test items may or may not accurately reflect the domain.
Pilot Study
A small-scale preliminary study conducted to evaluate feasibility, time, cost, risk, and adverse events, used to improve the design of a future full-scale research project.
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