According to the operant conditioning explanation of Clever ...

[RRMR]

According to the operant conditioning explanation of Clever Hans's mathematical abilities, which of the following terms best describes the subtle change in facial expression that the horse observes in the questioner?
 
  A) Discriminative stimulus
  B) Reinforcer
  C) Both a and b are correct.
  D) Neither a nor b is correct.

Question 2

According to the operant conditioning explanation of Clever Hans's mathematical abilities, which of the following could be considered both a reinforcer and a discriminative stimulus?
 
  A) The question posed to the horse
  B) The food reward
  C) The trainer
  D) The subtle change in the questioner's appearance

[ciecieme]

Answer to Question 1

C

Answer to Question 2

D

[RRMR]

Thanks for the timely response, appreciate it

[Animal_Goddess]

Gracias!