Question

independent measures

The results of an independent-measures research study are reported as
"t(20) = 2.12, p < .05, two tails." For this study, what t values formed the boundaries for the critical region?
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Answer #1

As this is a two tailed test

we need to find critical value at 0.05 significance level with df = 20

Critical values are = -2.086, 2.086


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Answer #2

Degrees of freedom = 20

Level of significance = 0.05

This is a two tailed test. Hence,

t values which formed the boundaries for the critical region = -2.086, 2.086

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