Learning that occurs but is not reflected in an immediate behavior change is called __________ learning

Baby Alan started opening his mouth differently for a nipple than for a spoon. Baby Alan is probably in Stage ___ of Piaget's sensorimotor stages

A) 2 B) 3 C) 4 D) 5

Every time Alice cleans her room properly and makes the bed, she receives a marble. When she accumulates 100 marbles, she can get the new video game she wants. What type of behavioral program are Alice's parents using?

a) modeling b) negative reinforcement c) token economy d) systematic desensitization