Operant Conditioning
From
the very beginning of the history of psychology, psychologists and scientists
have been studying the concept of learning, and the many different ways animals
and human beings can store and access information. There are many difference
theories associated with learning, all with their advantages, disadvantages and
specific characteristics that try to explain the sometimes mysterious ways
human minds work when trying to learn. One of those theories was developed by
behaviorist psychologist B. F. Skinner, who after experimenting with rats and pigeons
identified a series of important and fundamental ideas of learning. Skinner’s
theory is called Operant Conditioning, but it is also known as Instrumental
conditioning or even Skinnerian conditioning.
Operant
conditioning is a learning method that occurs through the application of
rewards and punishments as ways to produce a desirable behavior. Skinner
explained that the fundamental motivations for a determined behavior did not
derivate from an internal source, such as thoughts or feelings, but from an
external source, like the preceding circumstances or the posterior consequences
to the behavior. Skinner once said that “we are what we have been reinforced
for being”, and this affirmation is a perfect explanation of his theory, as the
American psychologist believed that behaviors are consequences to the response
emanated from that behavior in the first place (Olson & Hergenhahn,
2009). The theory of operant
conditioning has its name because, as Skinner explained, the term “operant”
refers to an "active behavior that operates upon the environment to
generate consequences" (1953).
One
of the key concepts related to operant condition is the idea of reinforcements,
which can be positive or negative. Reinforcement is an event that when
associated to and occurring after a behavior, can strengthen it and increase
the probability of that behavior repeating itself. Positive reinforcement can be praise, or a reward, while negative
reinforcement is the removal of something unpleasant. In both cases of
reinforcement, the expected outcome is the increase of the expected behavior.
Punishment, on the other hand, intends to decrease the reoccurrence of a
behavior by either presenting an unfavorable event, which is considered positive
punishment, or removing a favorable event, which is called negative punishment.
In operant conditioning, extinction can occur if a behavior is no longer
reinforced, or if the type of reinforcement being used in not considered
rewarding anymore. Interestingly enough, Skinner found out about extinction by
accident, when performing an experiment with a rat, leaving the laboratory and
experiencing malfunction with the equipment (Cherry, 2013).
The type of reinforcement that has proven itself to be the
most effective one seems to be the positive reinforcement, as it is connected
to the individual’s emotional side and can help building that individual’s
confidence and self-esteem by awarding a behavior in a positive manner.
However, different situations call for different reinforcement techniques.
Sometimes, if negative circumstances have already been established, a negative
reinforcement may be more effective. It is also important to note that the
reinforcement will be less effective if the subject has no desire for the
rewards. For instance, rewarding a child with a cookie, when the child is not
hungry, will probably not affect the recurrence of the desirable behavior.
One possible scenario where some type of reinforcement
reinforcement would be successful in rewarding and repeating a behavior would
be in the case of trying to potty train a child. Around the age of two, most
toddlers begin to show signs of being ready to stop wearing diapers and start
using the potty regularly. Creating a continuous reinforcement schedule where
every time the child goes to the potty she gets a small reward, like a sticker
on a board, and every time she has an accident she loses a sticker will
incentive that toddler to make an effort to finally learn how to use the
bathroom when necessary. However, on the case it would be important to
establish a deadline, so the child doesn’t expect a reward for the rest of her
life whenever she uses the bathroom.
The
concept of operant behavior is one of them most important concepts in psychology
because it allowed scientists, psychologists and parents in general to learn
how important positive and negative reinforcements are when trying to induce an
individual to produce a positive and desired behavior. Although behaviorism is
not a dominant school of thought in psychology anymore, health professionals,
teachers, parents and even animal trainers still constantly use operant
techniques to obtain a desired behavior or prevent an undesirable one, and for
that reason it is easy to see how Skinner’s contributions were vital to modern
psychology.
References
Cherry,
K. (2013) Operant Conditioning - Introduction to Operant Conditioning.
Psychology - Complete Guide to Psychology for Students, Educators &
Enthusiasts. Retrieved July 22, 2013, from
http://psychology.about.com/od/behavioralpsychology/a/introopcond.htm
Olson,
M. H., & Hergenhahn, B. R. (2009). An introduction to theories of learning
(8th ed.).
No comments:
Post a Comment