A test for the differences between two groups' T-distributed statistics

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文件名称：A test for the differences between two groups' T-distributed statistics
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学术 论文 A test for the differences between two groups' T-distributed statistics Psychology in rhe Schools Volume 20. April. 1983 A TEST FOR THE DIFFERENCES BETWEEN TWO GROUPS’ 7’-DISTRIBUTED STATISTICS VICTOR L. WILLSON Texas A & M University Researchers occasionally perform a statistical test for gains on two groups separately, and compare the results via significance for the two tests. While that procedure is in- correct statistically, there is a statistical test due to Ghosh (1975) that