The central features of what experiment type include (1) ...

[sabina]

The central features of what experiment type include (1) independent and dependent variables, (2) pretesting and posttesting, and (3) experimental and control groups created through random assignment?
 
  a. casual experiments
  b. statistical experiments
  c. classical experiments
  d. cardinal experiments

Question 2

If randomization is not possible, what should the researcher do?
 
  a. pre- and posttest
  b. use the classical design
  c. consider using a quasi-experimental design
  d. randomization is always possible

[welcom1000]

Answer to Question 1

c

Answer to Question 2

c

[sabina]

TY

[welcom1000]

You're welcome