Iscrimination Learning and Stimulus control (in Rats)

1. Describe discrimination learning and how it differs from generalization.
2. Describe stimulus control and why it is interesting or useful.
Research Articles used need to be scholarly, scholar.google.com should be used.
Can use these research articles if you want, (The nature of discrimination learning in pigeons by JOHN M. PEARCE, GUILLEM R. ESBER, AND DAVID N. GEORGE) and (Spatial Conditional Discrimination Learning in Developing Rats by Kevin L. Brown Jerome H. Pagani Mark E. Stanton) and (The Rate of Establishment of A Discrimination by B.F. Skinner, should use this one!!!)