# Search results

1. ### Mixed ANOVA with replication but no repeats

Hi, I try to run Mixed ANOVA with replication but with no repeats (student may go only to one class) ID- student id CL - class A1 or A2 - random effect GEN - gender - fixed effect How do I do with ezANOVA, or any other function? It seems that it expect the ID to appear more than once...
2. ### Cohen's d interpretation

The book says: 0.2 - small 0.5 - medium 0.8 - large I know that Cohen's interpretation is only a rule of thumb, so I'm not sure if there is a "one" answer. but what is the interpretation when d is between the values? Is d=0.3 small? or medium? Option 1 Range interpretation 0-0.2...
3. ### F-Test for equality of variances- effect size scale?

The effect size for equality of variances is Ratio=variance1/variance2 I didn't find any "common" scale for this effect size. (although you may say the ratio explains itself...) I know that these definitions are not absolute, and may depend on the specific field. Do you know of a scale for the...
4. ### Regression with no intercept - VIF

What is the less problematic/"common practice" way to calculate the VIF when using the no intercept model? How do you interpret the results in this case? What VIF value is suspicious for multicollinearity? What VIF value is dependently multicollinearity...
5. ### Regression with no intercept - null assumption for

Hi, In linear regression: H1: y = b0+b1x H0 y = b0 In linear regression with no intercept: H1: y = b1x What is the null assumption? H0: y = 0 or H0: y = b0?
6. ### Confidence interval - why not porbability

Wikipedia: "the confidence level represents the frequency (i.e. the proportion) of possible confidence intervals that contain the true value of the unknown population parameter" Some say the following is incorrect: The chance that the true population value is in the confidence interval is the...