One-way between -subjects analysis ANOVA - computations of one-way betweens-s Anova
6 important questions on One-way between -subjects analysis ANOVA - computations of one-way betweens-s Anova
What does SSbetween groups tells us?
Which 2 things does a large value of SSbetween groups tell?
- group means are far away from one another
How to compute SSwithin and what does SS1 tell about the group?
- find group mean
- find deviation by (Y - M1) M1 stands for mean of group 1
- square deviations
- sum squared deviations
it tells us about the variation of scores within group 1
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Why can't F be negative?
How do you decide whether F is large enough to be statistically significant?
Which 6 steps are there to calculate ANOVA by hand?
2. Find effect size = SSbetween/SStotal
3. Cacualte MSbetween = SSbetween / DF (
4. Calculate MSwithin = SS within / DF (N-K)
5. Compute F ratio = MSbetween / MSwithin
6. Find critical value of F to make the decision whether to reject or not
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