Krejcie, R. V., & Morgan, D. W. (1970). Determining Sample Size for Research Activities. Educational

Krejcie, R. V., & Morgan, D. W. (1970). Determining Sample Size for Research Activities. Educational

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日期:2025-05-05
Krejcie, R. V., & Morgan, D. W. (1970). Determining Sample Size for Research Activities. Educational and Psychological Measurement, 30 (3), 607-610. 母群體數 樣本數 母群體數 樣本數 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600...看更多