For a repeated-measures study comparing k=6 treatment conditions with a sample of n=5 participants, what are the degrees of freedom for the repeated-measures F-ratio
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- A researcher uses a repeated-measures study to compare two treatment conditions with a set of 20 scores in each treatment. What would be the value of df for the repeated-measures t statistic?A researcher conducts an independent-measures, two-factor study using a separate sample of n= 15 participants in each treatment condition. The results are evaluated using an ANOVA and the researcher reports an F-ratio with df = 1, 84 for factor A and an F-ratio with df = 2, 84 for factor B. a) How many levels of factor A were used in the study?b) How many levels of factor B were used in the study?c) What are the df values for the F-ratio evaluating the interaction?An independent-measures study uses n = 15 participants in each group to compare two treatment conditions. What is the df value for the t statistic for this study?
- A repeated-measures ANOVA with n = 59 subjects has df within = 14. What is the value for df error for this analysis?A researcher reports an F-ratio with dfbetween = 2 and dfwithin = 30 for an independent-measures ANOVA. a. How many treatment conditions were compared in the experiment? b. How many subjects participated ion the experiment?A researcher conducts an independent-measures, two- factor study using a separate sample of n = 5 participants in each treatment condition. The results are evaluated using an ANOVA and the researcher reports an F-ratio with df = 1, 24 for factor A, and an F-ratio with df = 2, 24 for factor B. A) How many levels of factor A were used in the study? B) How many levels of factor B were used in the study? C) What are the df values for the F-ratio evaluating the interaction?
- For an independent-measures ANOVA comparing three treatments with a sample of n = 5 in each treatment, what is the critical value for the F ratio using a = .05?If a researcher reports a one-sample t-test with df = 24, how many individuals participated in this studyA researcher reports an F-ratio with dfbetweenbetween = 2 and dfwithinwithin = 30 from an independent-measures ANOVA. How many treatment conditions were compared in the experiment? 2 3 11 30 How many subjects participated in the experiment? 32 30 33 11
- A sample of n=10,000 (x, y) pairs resulted in r= .022. Test H0: p=0 versus Ha: p=? 0 at significance level .05. Is the result statistically significant? Comment on the practical significance of your analysis.In an experiment to compare anxiety levels induced between looking at real spiders and pictures of spiders, the following data was collected from 10 people with a fear of spiders (arachnophobia). With 95% confidence, what would be the margin of error in predicting the difference in the average anxiety scores between observing live spiders and images of spiders?