Author Question: Which effects occur when environmental events other than the treatment influence the participants' ... (Read 24 times)

joe · **on:** Jun 19, 2018

Which effects occur when environmental events other than the treatment influence the participants' scores in one treatment differently than in another treatment?

a. subject selection bias
b. volunteerism
c. fatigue
d. history

Question 2

Who is using an index?

a. A teacher who counts the midterm for 20 of your grade, the final for 35, and the term paper for 45
b. A demographer who tracks the educational levels of immigrants
c. A neuropsychologist who administers a battery of diagnostic tests to individuals who have traumatic brain injuries
d. A university administrator who tracks graduation rates, employment rates, and income levels in recent college graduates