Correctly answered and Graded A++
A bx with a long history of reinforcement may have less resistance to extinction than a bx with a
shorter of reinforcement - CORRECT ANSWER ✔✔ -false
A positive incompatible bx for tardiness ( walking through classroom door after the bell has
sounded) could be being in seat when bell rings or by desired time - CORRECT ANSWER ✔✔ -
true
All application of differential reinforcement entails reinforcing one response class and
withholding reinforcement form another response class - CORRECT ANSWER ✔✔ -true
Assume you are working with a girl with rett syndrome. A bx characteristic of this syndrome is
that the girls play with their fingers and hair to point that their fingers may become raw and
bloody. ALso these girls pull their hair out. THis particular girl also puts her foot up to her face
and scratched the edge of her shoe along her face causing scrapes and bleeding on her face.
These bx severly trouble her mother (understandably so!) You have not been able to identify a
reinforver for the problem bx. Howver you have found that sitting the firl on her moms lap while
playing with toys seemed to be a DRO using moms attention and toys as the reinforcer and an
interval of 5 seconds. Which of the following would describe our fixed-momentary DRO
procedure most accurately - CORRECT ANSWER ✔✔ -Set a timer for 5 seconds. When the
timer dings, if the girl is not engaged in finger picking, hair pulling, or face scratching, allow her