A researcher conducts an independent measures research, Ask an Expert

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A researcher conducts an independent measures research study and obtains t=2.070 with df=28.

A) How many individuals participated in the entire research study?

B) Using a two-tailed test with alpha level=.05, is there a significant difference between the two treatment conditions?

C) Compute r^2 to measure the percentage of variance accounted for by the treatment effect

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