Effect size is compared across different studies by

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

Question 3

Combining the results of many studies as if they were one large study is called
 
  a. program evaluation
  b. quasi-experimentation
  c. meta analysis
  d. factor analysis