In General,if the Variance of the Difference Scores Increases,then What

question 8

Multiple Choice

In general,if the variance of the difference scores increases,then what will happen to the value of the t statistic?​

• A)It will increase (move farther toward the tail of the distribution).​
• B)​It will decrease (move toward 0 at the center of the distribution).
• C)​It will stay the same; the t statistic is not affected by the variance of the difference scores.
• D)​It may increase or may decrease. There is no consistent relationship between variance and the size of the t statistic.

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