Schedules of Reinforcement Paper - Team Part

I need an introduction only of 175-200 word with one source discussing the four different schedules of reinforcement for a team paper project. 

Below is the full team assigment as an idea for the full team project.  

Write a 1,050- to 1,400-word paper discussing the four different schedules of reinforcement.  Include the following:

• Describe the four schedules of reinforcement.
• Apply the schedules to specific scenarios.
• Describe the behavior patterns that result from the various schedules from both the experimental literature and human application. 
• Explain if avoidance training would be beneficial or not, and describe why.

Include at least 2-4 sources.