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


Question: 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 a=.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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