It has been rumored that campus parking enforcement officers receive a 10 bonus for every twenty tickets they write. An unnamed campus parking administrator has remarked off the record, This ____ schedule of reinforcement keeps our officers diligent and busy.
a. variable-ratio
b. fixed-ratio
c. variable-interval
d. fixed-interval
Question 2
Russell's mom wants him to study for two hours each night, so she gives him treats during the evening. Sometimes she gives him the treats after ten minutes, sometimes after thirty minutes. On the average, Russell is given a treat every twenty minutes. Which reinforcement schedule is Russell's mom utilizing?
a. fixed-ratio
b. variable-ratio
c. fixed-interval
d. variable-interval
Defensive mutualism involves species that receive food or shelter in return for providing protection
Diagram of the Twenty Essential Amino Acids
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