Question: Would each of the following increase, decrease, or have no effect on the value of the test statistic for a related-samples t test? 1. The

Would each of the following increase, decrease, or have no effect on the value of the test statistic for a related-samples t test?

1. The sample size is increased.

2. The estimated standard error for difference scores is doubled.

3. The level of significance is reduced from .05 to .01.

4. The mean difference is decreased.

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