Question: Sc

Answer: Any type of consequence (it stands for stimulus consequence)

Question: SR

Answer: Unconditioned reinforcer

Question: Sr

Answer: Conditioned reinforcer

Question: SR+

Answer: Unconditioned positive reinforcer

Question: Sr+

Answer: Conditioned positive reinforcer

Question: SR-

Answer: Unconditioned negative reinforcer

Question: Sr-

Answer: Unconditioned negative reinforcer

Question: SP

Answer: Unconditioned punisher

Question: Sp

Answer: Conditioned punisher

Question: SD

Answer: Discriminative stimulus