Children who are promised a payoff for playing with an interesting toy have later been observed to play with the toy less than those who are not promised the reward. this provides evidence for the role of in operant behavior.
a. spontaneous recovery
b. primary reinforcers
c. cognitive processes
d. negative reinforcers
i believe the answer is c. if i am wrong i apologize. i did my best. hope this
false most of the galaxies are spiral as said by edwin hubble
who were inferior and deserved to be nothing but workers and servers because the bible at that time did not say anything about black men being normal or equal.