Anxiety scores for 5 veterans who received behavioral therapy146,144,148,149,148 •
Anxiety scores for 5 veterans who received cognitive therapy145,145,14,2 148,147 •
Anxiety scores for 5 veterans who received biofeedback therapy155,158,154,156,157 •
Anxiety scores for 5 veterans who received medication therapy146,148,152,149,147
- Before computing any analyses, state the null hypothesis and alternative hypothesis in words (not formulas).
- Identify the factor and dependent variable.
- Name the levels of the factor.
- State the degrees of freedom between groups and explain how you calculated it by hand.
- State the degrees of freedom within groups and explain how you calculated it by hand.
- Identify the obtained F value using SPSS and report it in your answer document.
- Identify the p value using SPSS and report it in your answer document.
- Explain whether the F test is statistically significant. Explain how you know.
- Explain what the psychologist can conclude about the relationship between different types of therapy and anxiety before conducting post hoc tests.
- Should the psychologist conduct a post hoc test? Why or why not? If post hoc testing is needed, conduct a Tukey HSD post hoc analysis in SPSS. Explain what the results tell you.
