Suppose that a researcher conducts an independent samples experiment comparing three treatments. Participants serve in the experiment

Question:

Suppose that a researcher conducts an independent samples experiment comparing three treatments. Participants serve in the experiment either online or by visiting the researcher’s lab. Scores for this hypothetical experiment are listed below.

a. Use a one-way ANOVA with α = .05 to evaluate the effect of treatment on the scores.

b. Use a two-way ANOVA with factor A as treatment and factor B as online versus in-lab to evaluate the effect of the treatment on the scores.

c. Compare the results from part a with your results from part b and explain any differences.

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a The critical Fratio for the effect of the treatment is 335 with df 2 27 The effect of the treatmen...View the full answer

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