Skinner’s operant conditioning theory
The Concept of Operant Conditioning Theory
- F. Skinner a renowned American psychologist- is often regarded as the founder of Operant Conditioning. However, the theory’s true father was Edward Thorndike. Operant conditioning is a method of learning that takes place through rewarding a certain behavior or withholding reward for undesirable behavior. Thus, an association is made between this behavior and its consequence.
Skinner (1948) studied operant conditioning by conducting experiments using animals which he placed in a ‘Skinner Box’.
B.F. Skinner (1938) coined the term operant conditioning; it means roughly changing of behavior by the use of reinforcement which is given after the desired response. Skinner identified three types of responses or operant that can follow behavior.
- Neutral operants: responses from the environment that neither increase nor decrease the probability of a behavior being repeated.
- Reinforcers: Responses from the environment that increase the probability of a behavior being repeated. Reinforces can be either positive or negative.
- Punishers: Responses from the environment that decrease the likelihood of a behavior being repeated. Punishment weakens behavior.
Positive Reinforcement:-
Skinner showed how positive reinforcement worked by placing a hungry rat in his Skinner box. The box contained a lever on the side and as the rat moved about the box it would accidentally knock the lever. Immediately it did so a food pellet would drop into a container next to the lever. The rats quickly learned to go straight to the lever after a few times of being put in the box. The consequence of receiving food if they pressed the lever ensured that they would repeat the action again and again.
Positive reinforcement strengthens a behavior by providing a consequence an individual finds rewarding. For example, if your teacher gives you £5 each time you complete your homework (i.e. a reward) you will be more likely to repeat this behavior in the future, thus strengthening the behavior of completing your homework.
Negative Reinforcement:-
Skinner showed how negative reinforcement worked by placing a rat in his Skinner box and then subjecting it to an unpleasant electric current which caused it some discomfort. As the rat moved about the box it would accidentally knock the lever. Immediately it did so the electric current would be switched off. The rats quickly learned to go straight to the lever after a few times of being put in the box. The consequence of escaping the electric current ensured that they would repeat the action again and again.
In fact Skinner even taught the rats to avoid the electric current by turning on a light just before the electric current came on. The rats soon learned to press the lever when the light came on because they knew that this would stop the electric current being switched on.
These two learned responses are known as Escape Learning and Avoidance Learning.
Punishment (weakens the behaviour):-
In contrast to reinforcement, punishment is a process wherein a stimulus is presented after the display of behavior and causes the decline in the likelihood of behavior to reoccur. There are two types of punishments:
Positive punishment is the addition of something which causes the decrease in repeating the behavior that was displayed. Negative punishment, also known as punishment by removal, occurs when a favorable event or outcome is removed after a behavior occurs.
Example: A child teased his sister, making her cry so loud. The mother spanked him on his buttocks because of this. The child never teased his sister again.
Negative Punishment, on the other hand, is the removal of something which is favorable, in order to decrease the likelihood of the behavior to reoccur.
Example: A teenager is caught cheating in an examination. His parents then forbid him to use his car and also reduce his allowance. The teenager does not cheat in his present exams anymore.
The principles of Operant Conditioning go as follows:
- A positively reinforced behavior will reoccur.
- In order for responses to be reinforced, information should be presented in small chunks.
- Reinforcements are generalized across similar stimuli and will produce secondary conditioning.
Operant Conditioning Theory examples
- Children completing homework to earn a reward from a parent or teacher
- Employees finishing projects to receive praise or promotions.
Educational implications of operant conditioning theory
- Conditioning study behavior– Teaching is the arrangement of sources of reinforcement which expedite learning. For effective teaching teacher should arranged effective contingencies of reinforcement. Example: For Self learning of a student teacher should reinforce student behaviour through variety of incentives such as prize, medal, smile, praise, affectionate patting on the back or by giving higher marks.
- Conditioning and classroom behaviour: During learning process child acquire unpleasant experiences also. This unpleasantness becomes conditioned to the teacher subject and the classroom and learner dislike the subject and a teacher. Suitable behavioral contingencies, atmosphere of recognition, acceptance, affection and esteem helps child in approaching teacher and the subject. If student is not serious in study, teacher make use of negative reinforcement like showing negligence, criticizing student etc. but if student is serious in study, teacher make use of positive reinforcement like prize, medal, praise and smile. Example: student having transistor in classroom neglected by the teacher indulged in talking with others for longer time. After long time student asked teacher till now you are receiving assignments, I will also submit you. Thus behaviour is conditioned.
- Managing Problem Behaviour: Two types of behaviour is seen in the classroom viz undesired behaviour and problematic behaviour. Operant conditioning is a behaviour therapy technique that shape students behaviour. For this teacher should admit positive contingencies like praise, encouragement etc. for learning. One should not admit negative contingencies. Example punishment (student will run away from the dull and dreary classes – escape stimulation.
- Dealing with anxieties through conditioning: Through conditioning fear, anxieties, prejudices, attitudes, perceptual meaning develops. Example of anxiety: 1.Signals on the road
- Siren blown during war time
- Child receiving painful injection from a doctor
Anxiety is a generalized fear response. To break the habits of fear, desensitization techniques should be used by a teacher. Initially teacher should provide very weak form of conditioned stimulus. Gradually the strength of stimulus should be increased.
- Conditioning group behaviour: Conditioning makes entire group learn and complete change in behaviour is seen due to reinforcement. It breaks undesired and unsocial behaviour too.
Example: Putting questions or telling lie to teachers will make teachers annoyed in such circumstances students learn to keep mum in the class.
Asking questions, active participation in class discussion will make the teacher feel happy – interaction will increase and teaching learning process becomes more effective.
- Conditioning and Cognitive Processes: Reinforcement is given in different form, for the progress of knowledge and in the feedback form. When response is correct positive reinforcement is given.
Example: A student who stands first in the class in the month of January is rewarded in the month of December. To overcome this Programme instruction is used. In this subject matter is broken down into steps. Organizing in logical sequence helps in learning. Each step is build upon the preceding step. Progress is seen in the process of learning. Immediate reinforcement is given at each step.
- Shaping Complex Behaviour: Complex behaviour exists in form of a chain of small behaviour. Control is required for such kind of behaviour. This extended form of learning is shaping technique. Smallest Behaviour is controlled at initial stage. On behalf of different contingencies next order of chain of behaviours is controlled.
Example: Vocabulary in English. Teaching spelling is mainly a process of shaping complex form of behaviour.