The confounding variable where participants are lost from one research group and not others is called
a. attrition
b. selection
c. differential history
d. differential attrition
Question 2
If you find an article that you would like to use for your research but are unable to locate it in your library or through electronic collections provided by your library, your next step should be to
a. drive to the nearest research library where you will likely find the article.
b. search through your library's microfiche files.
c. use inter-library loan.
d. search again using broader search terms.