Part 1 – Conducting a Repeated Measures ANOVA Manually You will use the following data to go step-by-step through a hypothesis test, by hand, for the DASS Stress subscale pre/post/follow-up data mimicked from the Rackoff et al. article (2022). A sample of n = 585 college students were selected to participate in the study. In the sample, all students took a the DASS measure pre-intervention, post-intervention, and one month following intervention. The data necessary for you to complete this hypothesis test is provided in the table below. Pre-intervention Post-intervention Follow-up All Times n = 585 n = 585 n = 585 N = 1755 T = 16716 T = 13730 T = 13217 G = 43663 SS = 3703.015 SS = 7899.726 SS = 5543.173 ΣX2 = 1115653 = 1099779 Research Question: Is there a significant difference change in stress from pre-intervention to post-intervention to follow-up as measured by the DASS stress subscale? Step 1 à State your hypotheses State both your null and alternative hypotheses in the space below.
Part 1 – Conducting a Repeated Measures ANOVA Manually
You will use the following data to go step-by-step through a hypothesis test, by hand, for the DASS Stress subscale pre/post/follow-up data mimicked from the Rackoff et al. article (2022). A sample of n = 585 college students were selected to participate in the study. In the sample, all students took a the DASS measure pre-intervention, post-intervention, and one month following intervention. The data necessary for you to complete this hypothesis test is provided in the table below.
|
Pre-intervention |
Post-intervention |
Follow-up |
All Times |
|
n = 585 |
n = 585 |
n = 585 |
N = 1755 |
|
T = 16716 |
T = 13730 |
T = 13217 |
G = 43663 |
|
SS = 3703.015 |
SS = 7899.726 |
SS = 5543.173 |
ΣX2 = 1115653 |
|
|
|
|
= 1099779 |
Research Question:
Is there a significant difference change in stress from pre-intervention to post-intervention to follow-up as measured by the DASS stress subscale?
Step 1 à State your hypotheses
State both your null and alternative hypotheses in the space below.
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