Counterbalanced experimental designs are especially susceptible ...

[jace]

Counterbalanced experimental designs are especially susceptible to the effect of
 
  a. regression. c. instrumentation.
  b. order. d. pretest sensitization.

Question 2

The most meaningful way to consider test validity is
 
  a. across parallel forms. c. for a specific purpose.
  b. as a subtype of reliability. d. in terms of errors of measurement.

[Jayson]

Answer to Question 1

B

Answer to Question 2

C

[jace]

Thanks for the timely response, appreciate it

[6ana001]

Gracias!