Which of the following is true of the use of reinforcement during ...

[bobbie]

Which of the following is true of the use of reinforcement during tests?
 
  a. Only tangible rather than verbal forms of reinforcement are effective for improving performance.
  b. It is strictly prohibited by most test manuals.
  c. The advantages tend to be similar for all people.
  d. It increases the validity of test results.

Question 2

In a distribution where X = 21 and S = 3, what is the Z-score of a raw score of 15?
 
  a. -12
  b. -2
 c. 2
 d. 12

[Sweetkitty24130]

Answer to Question 1

b

Answer to Question 2

b