# statistics

posted by .

A researcher uses an analysis of variance to test for mean differences among three
treatment conditions using a sample of n = 8 participants in each treatment. What degrees of
freedom (df) would the F-ratio from this analysis have?

a. df = 23
b. df = 2, 23
c. df = 3, 21
d. df = 2, 21

• statistics -

• statistics -

b.

• statistics -

df=23

## Similar Questions

1. ### statistics

1. A researcher is interested in comparing the effectiveness of three different kinds of therapy for anger problems. Eight participants are randomly assigned to three treatment conditions: Cognitive Therapy (CT), Cognitive-Behavioral …
2. ### statistic

A researcher conducts an experiment comparing three treatment conditions with a separate sample n = 8 in each treatment. An analysis of variance is used to evaluate the data, and the results of the ANOVA are presented in the table …
3. ### Statistics

To make causal inferences from observed differences between groups based on varied levels of treatment, it is necessary to...?
4. ### statistics

A researcher used an analysis of variance to compare three treatment conditions with a separate sample of n = 8 participants in each treatment. The results of the analysis are shown in the following summary. Fill in all missing values …
5. ### statistics

A repeated-measures study uses a sample of n = 20 participants to evaluate the mean differences among three treatment conditions. In the analysis of variance for this study, what is the value for dfbetween treatments?
6. ### statistics

A repeated-measures study uses a sample of n = 20 participants to evaluate the mean differences among three treatment conditions. In the analysis of variance for this study, what is the value for dfbetween treatments?
7. ### Statistics

4. The data below are from an independent-measures experiment comparing three different treatment conditions. Treat. 1 Treat 2 Treat 3 0 1 4 0 4 3 G=24 0 1 6 2 1 3 Ó X² = 92 T=2 T=6 T=16 SS=3 SS=9 SS=6 Use an analysis of variance …
8. ### Statistics

4. The data below are from an independent-measures experiment comparing three different treatment conditions. Treat. 1 Treat 2 Treat 3 0 1 4 0 4 3 G=24 0 1 6 2 1 3 Σ X² = 92 T=2 T=6 T=16 SS=3 SS=9 SS=6 Use an analysis of variance …
9. ### Quantitative Analysis

To make meaningful causal inferences when conducting quantitative analyses, one must employ...?
10. ### math

A researcher uses analysis of variance to test for mean differences among three treatments with a sample of n = 12 in each treatment. The F-ratio for this analysis would have what df values?

More Similar Questions