第 1 题
1 分In research methods, what is the primary purpose of using a double-blind procedure?
Cambridge OCR A Level · Psychology - H569
Research methods and techniques：练习题
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第 2 题
1 分Which of the following is a Type II error in psychological research?
第 3 题
1 分An investigator conducts a Spearman's Rho test to analyze the relationship between hours spent studying and exam scores. If the calculated value (\(r_s\)) is \(0.85\) and the critical value at \(p \le 0.05\) is \(0.648\), what conclusion should be drawn?
第 4 题
2 分Identify the primary difference between a structured interview and an unstructured interview.
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第 5 题
6 分In the context of inferential statistics, explain why a researcher would choose to use the Spearman's Rho test instead of a Chi-Square test.
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第 6 题
3 分(a) Identify and describe two measures of central tendency that could be used to analyse quantitative data in a psychological study. [2]
(b) Briefly explain one strength of using the mean as a measure of central tendency. [1]
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