Question

Part I

Measures of effect size are useful because:

• A.

  They can be used with almost any statistical test

• B.

  Hypothesis testing only tells us if there is a statistically significant result

• C.

  They tell us how large a significant effect might be

• D.

  All of the above

Part II

Broadly speaking, what does a oneway ANOVA tell us?

• A.

  It gives us a range of values where the true population mean difference might be found

• B.

  It tells us how strong the differences are between variables

• C.

  It tells us which individual means are not like the others

• D.

  It tells us if variability between groups is larger/more important than variability within groups

Answer 1