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
Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
Jacob Lawrence, You can buy bootleg whiskey for twenty-five cents a quart, from the Harlem Series.
A medical assistant holds a specimen container to receive a biopsy sample.
Distribution of sex chromosomes from generation to generation. All children receive an X chromosome
Events of an Ovarian/Mentrual Cycle Lasting Twenty-Eight Days