Effect size is compared across different studies by a. ...

[RRMR]

Effect size is compared across different studies by
 
  a. measuring the dependent variable on a common scale
  b. considering only those with the same independent variable
  c. considering the variability of the response
  d. correcting any skewness in the data

Question 2

It is possible to find a large effect that is not statistically significant because
 
  a. There were too few subjects in the study
  b. The researchers used a within-subjects design
  c. The researchers used an enormous number of subjects
  d. The researchers used a between-groups study

[meryzewe]

Answer to Question 1

c

Answer to Question 2

a