According to the Hull-Spence hypothesis of conditioning and learning, what is the role of reinforcement in the learning process?
1
Reinforcement is the sole factor that enhances learning of a response.
2
Reinforcement serves as a motivator for learning but does not necessarily enhance the learning of a response.
3
Reinforcement is irrelevant to the learning process.
4
Reinforcement only affects the speed of learning but not the effectiveness.