Lab 13: ANOVA Class: Date: 1. For an independent-measures ANOVA comparing four treatment conditions, dfbetween = 3. a. True b. False 2. An analysis of variances produces dftotal = 29 and df within = 27. For this analysis, what is fbetween? a. 1 b. 2 c. 3 d. Cannot be determined without additional information 3. An analysis of variances produces dftotal = 29 and df within = 27. For this analysis, how many treatment conditions are being compared? a. 1 b. 2 c. 3 d. Cannot be determined without additional information 4. On average, what value is expected for the F-ratio if the null hypothesis is true? a. 0 b. 1.00 c. k- 1 d. N- k 5. An analysis of variance produces SSbetween = 48, SSwithin = 18 and fbetween = 8 and fwithin = 9. For this analysis, what is the F-ratio? a. 48/8 = 6.00 b. 18/9 = 2.00 c. 48/18 = 2.67 d. 6/2 = 3.00 6. A researcher reports an F-ratio with df = 1, 27 for an independent-measures experiment. If all the treatments had the same number of participants, then how many individuals were in each treatment? For extra credit, explain why is there no correct answer. a. 1 b. 13 c. 14 d. 28