Problem Set 4.4: One-way ANOVA Results in APA Style Criterion: Report ANOVA results in APA format. Data: Use the results from Problem Set 4.4. Instructions: Complete the following: a. State the null hypothesis and report your results in APA format (as you might see them reported in a journal article). We want to test hypothesis 1: The average for all treatments are the same vs. the average for at least one treatment is different than the others. Level= High, Moderate, Low Given the following information: Stress Levels High Moderate Low 10 9 9 7 4 4 8 7 6 12 6 5 MY ANSWER: One way ANOVA is used to test the difference between means two or more independent groups. a) H0 : Null hypothesis : All the three means are same. b) test statistic , f = 1.773 F crit = 3.885 Since , F Conclusion : we can conclude that there exists no difference between the means of low , moderate and high groups. Professor said: Thanks for your response. To improve, consider what the ANOVA is assessing and write an accurate null hypothesis. Be sure to use the variables given in the scenario rather than symbols, as if written in a journal article.
