When intermittent schedule of reinforcement is applied?

70. Dropping coins in a soft-drink vending machine and receiving a drink is a  ____ schedule of reinforcement.

a.	intermittent
b.	fixed interval
c.	continuous
d.	variable ratio

ANS:  C                    

   71.   A(n) ____ schedule of reinforcement is applied when reinforcement is delivered each time a particular behavior occurs.

a.	intermittent
b.	continuous
c.	fixed ratio
d.	variable ratio

ANS:  B                   

   72.   A(n) ____ schedule of reinforcement is applied when reinforcement is delivered after some, but not every, occurrence of a behavior.

a.	staggered
b.	continuous
c.	variable ratio
d.	intermittent

ANS:  D                   

   73.   A ____ schedule of reinforcement is being applied when reinforcement is delivered only after a constant amount of time has passed, regardless of the number of desired behaviors that have occurred.

a.	variable ratio
b.	fixed interval
c.	fixed ratio
d.	continuous

ANS:    B