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Q3: Survey results are better than the quality
Q14: Systematic errors are nonsampling errors.
Q18: Facts or recorded measures of certain phenomena
Q24: Discuss the factors that influence whether or
Q27: A pretest of a questionnaire can help
Q31: It is always possible to gather the
Q37: Attitudes cannot be directly observed but can
Q40: The sentence completion method is based on
Q45: Owen is a researcher who studies human
Q72: The test of an experimental manipulation to