Obsessions and compulsions

The quickest and least expensive way to study development is with:

cross-sectional research. the case study. cross-sequential studies. longitudinal research.

Which of the following statements reflects the difference between classical and operant conditioning?

a. In classical conditioning, the response is reflexive, but in operant conditioning it is typically more complex. b. In classical conditioning, spontaneous recovery can occur, but in operant conditioning it doesn't. c. In classical conditioning, the consequence of a response is important, but in operant conditioning it isn't. d. In classical conditioning, both stimulus generalization and discrimination can occur, but in operant conditioning only stimulus discrimination occurs.