Under what condition should the researcher use the t test for correlated means in a causal-comparative study, and what effect will use of this type of t test have on the likelihood of finding a significant difference between groups on the variable of interest?

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The Answer of Under what condition should the researcher use the t test for correlated means in a causal-comparative study, and what effect will use of this type of t test have on the likelihood of finding a significant difference between groups on the variable of interest?

Under What Condition Should the Researcher Use the T Test