Which best describes the early menstrual cycles of a typical teenage female?

A pigeon learns to peck at a red disk. It will not peck at an identical disk of any other color. This illustrates the concept of ______

a. extinction c. avoidance training b. discrimination d. desensitization

Giving different responses to the same stimuli to which you were classically conditioned illustrates ______

a. response generalization c. stimulus generalization b. spontaneous recovery d. latent learning