Review Questions V A psychologist suspected that even if only two colours were used in the Droop experiment there would be both interference and facilitation:

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Review Questions V A psychologist suspected that even if only two colours were used in the Droop experiment there would be both interference and facilitation: that the condition means would be different. To explore his hypothesis, he tested 24 subjects, 8 in each of the three Droop conditions: control, congruent, and incongruent. Interference is the difference between the control and the incongruent conditions. Facilitation is the difference between the control and the congruent conditions. First analyze this as a completely Randomized Design. Provide all descriptive stats, figures, test of assumptions, and contrasts. Do the data below support his hypothesis? control congruent incongruent 150 120 200 130 110 180 160 150 210 140 100 230 120 90 180 125 130 180 140 140 220 110 120 190 2. Now analyze it as a Repeated Measures design. Each row is to be considered a subject. 3. What are the differences between the Newman-Keuls, the Tukey HSD, and the Tukey WHS tests. Why would the different test exist?