When a researcher asks the question, "Have subjects been pre-selected so as to represent the extremes on the variable of interest?", she is concerned with which one of the following potential threats to internal validity?

A. Regression effect
B. Subject selection
C. Testing effect
D. Maturation

Agraduate student wants to examine the effect of print media versus televised media on individuals’ position on several social issues. the superintendent of a local work release facility, a family friend, will allow the graduate student access to the prison population to her quickly accrue subjects. the student’s irb should: approve this project since the risk appears to be no > minimal.not approve this project because the prisoners are merely a population of convenience for the student.approve this project since the superintendent is the ultimate authority on what happens in his facility.approve this project but submit it for federal review.

Arecent challenge to the european union created by a member state is?

For questions 6-10, match the letter of the description that best matches the term. descriptions: a. to people reach their full potential b. refers to a persons drive to reach his or her full potential c. name the type of therapy developed by rogers d. being accepted by another just as you are, or accepting someone else just as they are e. the bottom of maslows hierarchy 6. need for food, water and oxygen 7. client centered therapy 8. self-actualization 9. the goal of the humanistic approach 10. unconditional positive regard