What kind of study uses a methodology in which participants are ...

[tth]

What kind of study uses a methodology in which participants are matched on a particular characteristic before being assigned to the different levels of the independent variable?
 
  a. mixed subjects design
  b. within subjects design
  c. matched subjects design
  d. between subjects design

Question 2

Campbell and Stanly outlined threats to internal validity many years ago.
 
  Indicate whether the statement is true or false

[Kingjoffery]

Answer to Question 1

C

Answer to Question 2

T