In Its Discussion of Motivation, the Textbook Describes Mastery Goals

In its discussion of motivation, the textbook describes mastery goals, performance-approach goals, and performance-avoidance goals.
a. In a short paragraph, explain how these three types of goals are different.
b. Describe four ways in which students with mastery goals and those with performance goals especially those with performance-avoidance goals) are likely to think and/or act differently.
c. List three strategies you might use to promote mastery goals. Illustrate each one with a concrete example of something you might do.