The Premack principle is that: a. shaping has to proceed in ...

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The Premack principle is that:
 
  a. shaping has to proceed in small steps, and all reinforcement must be contingent.
  b. noncontingent reinforcers will not strengthen behavior.
  c. negative reinforcers have the same effect as positive reinforcers.
  d. any act likely to be performed can reinforce a behavior less likely to be performed.

Question 2

If you cannot rearrange the reinforcers that naturally occur with a particular behavior, it would be most helpful to:
 
  a. select a more clear-cut problem.
  b. find the antecedents to the behavior.
  c. create a contingent reinforcer.
  d. choose a different behavior to modify.

[joanwhite]

Answer to Question 1

D.

Answer to Question 2

C.

[newbem]

Excellent

[chereeb]

Gracias!