Buy Best EDUC 812 Quiz ANOVA with Tukey
Buy Best EDUC 812 Quiz ANOVA with Tukey
- represents the number of groups, whereas __________ represents the sample size.
- The assumption of homogeneity of variances was tested, and Levene’s test yielded a value of (p = .06). Was the assumption met?
- Describe the F
- The result of a One-Way ANOVA for total stress symptoms among four groups of teachers (pre-k, elementary, middle, high school) was F(3, 117) = 3.827, p < .05. The concluded about
- The Analysis of Variance (ANOVA) is used to determine if there is a difference between means of two or more unrelated groups on the same continuous dependent variable. If you reject the null using an ANOVA, you should run multiple t-tests between each pair of groups.
- One-way ANOVA has more assumptions than the independent samples’ t
- Which is a follow-up test that could be done to assess whether all possible pairwise comparisons of group means were significant in a One-Way ANOVA?
- Running multiple t-tests with more than two groups rather than running just one ANOVA will increase the chance of a Type I error.
- The assumption of homogeneity of variance should be examined using the Shapiro-Wilks test.
- A one-way analysis of variance was conducted. The results of the ANOVA were significant, F(2, 432) = 3.75, p = .03. A pairwise comparison of group means was conducted. Based on this information, which pairwise comparison test is the “best” choice and most widely used in educational research?
- If the null hypothesis is rejected for a One-Way ANOVA, then you should conduct:
- The degrees of freedom for the F test for the one-way ANOVA depend on:
- If the null hypothesis is rejected in a one-way ANOVA with three groups, then we can infer that:
- Why would a researcher choose to conduct a One-Way ANOVA rather than multiple independent samples t-tests?
- A researcher was comparing the differences between only two groups using a t-test. Would Post Hoc analysis be required if the researcher found a significant difference?
- A One-Way ANOVA was conducted and the researcher tested the assumption of homogeneity of variances. How can the researcher test this assumption?
- A one-Way analysis of variance was conducted. The results of the ANOVA were significant, F(2, 432) = 3.75, p = .03. A pairwise comparison of group means was conducted. Based on this information, which pairwise comparison test is the “best” choice and most widely used in educational research?
- Joe wanted to conduct an experiment where participants were randomly assigned to receive either no caffeine, 20 mg of caffeine, 30 mg of caffeine, or 40 mg of caffeine. The dependent variable was heart rate in beats per minute. What is the best analysis to analyze this data?
- Which of the following pieces of information is needed to decide on a sample size that will provide adequate statistical power for a One-Way ANOVA?
- Histograms are primarily used to examine the normality of the distribution shape of each group, whereas boxplots are used to identify potential outliers within groups.
- If eta squared equals .002, then the effect size is medium.
- The result of a One-Way ANOVA for total teacher burnout among four groups of teachers was F(3, 117) = 3.82, p = .02. The corresponding effect size was η2 = .26. What can be concluded about these results?
- An Independent Samples t-test should be used to answer the following research question? RQ: Is there a difference in the attitude toward science fairs among students who either won 1st, 2nd, 3rd, or no award at all at the local science fair?
- An analysis of variance demonstrated the following results, F(2, 27) = 5.56, p = .007. There were ^ve groups. What can be concluded based on these results?
- Each participant in the study was assigned to a group (Group 1, Group 2, and Group 3). Since the ANOVA was significant, pairwise comparisons were conducted. The researcher found, F( ? ,108) = 6.60, p < .003. What is the df for the numerator?
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