A. Numbers
B. Judges
C. Reinforcement
D. Positive and negative items
E. None of these
Correct Answer: Positive and negative items ✔
Last Updated: March 18, 2021
A. Numbers
B. Judges
C. Reinforcement
D. Positive and negative items
E. None of these
Correct Answer: Positive and negative items ✔
Last Updated: March 18, 2021