Monday, January 28, 2013

Functionalist and Associationistic Theories

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Monday, January 21, 2013

Operant Conditioning

Operant Conditioning

Edward Thorndike formulated the law of effect theory. His theory was the starting point for B.F. Skinner and the formulation of operant conditioning (Wood, Wood,  & Boyd, 2011). B. F. Skinner began using the term operant conditioning in 1937. The purpose of Skinner’s work was reflex physiology (Starring & Cerutti, 2003). Skinner’s views were different than the views of behaviorism that came before him. The primary element in Skinner’s work was operant behavior, or behavior that was controlled by its consequences. Many people would call this behavior a habit. Skinner’s theories have become an important component in psychology and child-rearing. The uses of Skinner’s operant behavior theories are evident in various aspects of psychology including behavior modification therapy.  

Operant Conditioning Theory
From his research, Skinner concluded that living organisms were conditioned by their environment (Olson & Hergenhahn, 2009). Skinner developed the operant conditioning theory where behavior and the resulting consequences are the emphasis. In operant conditioning, behavior changes because of the resulting consequences of the said behavior. This new theory was important to learning as one could learn a broader range of responses. According to Skinner, “we are what we have been reinforced for being” (Olson & Hergenhahn, 2009, p. 76). In other words, he believed reinforcements were needed to condition behavior. Operant conditioning does such. Reinforcement can be a reward or punishment depending on the behavior desired.

Positive and Negative Reinforcement
Consequences, often called reinforcements, are a crucial component of operant conditioning. Reinforcement can be either positive or negative. A positive reinforcement causes an increase in a behavior as a result of the consequence. Positive reinforcements include praise and a reward. A negative reinforcement causes an increase in behavior in order to remove an unwanted stimulus. An example of this is using anti-itch cream to relieve itching. Both positive and negative reinforcement increase a behavior.

Effective Reinforcement
Positive reinforcement is viewed as the most effective reinforcement. Positive reinforcement provides a person with a positive outlook on behavior and consequences. Skinner argued against the use of punishment as it only lasts as long as it is enforced. Punishment also did not show the model behavior desired. Reinforcement for acceptable behavior is more effective because of these reasons. Punishment was viewed as a quick solution whereas reinforcement was viewed as learning the behavior.

Operant Conditioning Scenario
As a parent, I have the opportunity to use operant conditioning on behavior. As a home schooling parent, I have the opportunity to expand operant conditioning even further. When schooling your own children, particularly at home, there is conflict. My children would decide to play rather than do their lessons. This became frustrating as they needed to learn these lessons in order to pass the state tests. I then decided to implement some sort of programs to reinforce the good behavior associated with doing assignments. For each child I set up a reward system. Each time a child completed the daily work for a class, he or she received a star. At the end of the week, he or she could exchange the stars for rewards such as video game time, computer time, etc. This system is an example of positive reinforcement. The behavior of completing work increased in order to gain the reward.

Reinforcement Schedule for Scenario
In the above scenario, for good behavior (completing assignments) the behavior was positively reinforced by the rewarding of a star. This is an example of continuous reinforcement schedule since a star was rewarded for each completed assignment. This schedule was effective for the children once they understood that the good behavior would be rewarded and the bad behavior would not be. More emphasis was placed on the rewarding of the star rather than on not receiving the star. This keeps them focused on the positive reinforcement (reward) rather than the negative punishment (no reward).

Conclusion
Operant conditioning is used in daily lives. Many of a person’s behaviors are influenced by the consequences resulting from the behavior. An increase of behavior to obtain a reward or avoid a punishment happens in different aspects of life at various ages. Parents use Skinner’s operant conditioning theory in child-rearing to obtain the behaviors accepted for children. Operant conditioning can be used as a behavior modification tool; conditioning behavior to rid a person of an addiction. Skinner’s creation of the operant conditioning theory was valuable in the science of psychology.


References

Olson, M. H., & Hergenhahn, B. R. (2009). An introduction to theories of learning (8th ed.). Upper Saddle River, NJ: Pearson/Prentice Hall.

Starring, J. E., & Cerutti, D. T. (2003). Operant Conditioning. Annual Review of Psychology, 54, 115-144. doi:10.1146/annurev.psycho.54.101601.145124


Wood, S. E., Wood, E. G., & Boyd, D. (2011). The world of psychology (7th ed.). Boston, MA: Pearson/Allyn & Bacon.

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Monday, January 14, 2013

Learning and Cognition

Learning and Cognition

Learning is one of the most important and studied aspects in modern psychology. In order for one to understand learning, one must also understand behavior. Theorists use classical and instrumental conditioning to explain the changes in behavior. Learning and cognition are intertwined and both need to be present to understand learning. With a proper understanding of behavior and cognition, one can understand learning. 

Definition of Learning
Learning is most commonly defined as gaining knowledge, comprehension, or mastery through experience or study (Olson & Hergenhahn, 2009). However, psychologists prefer a different definition. In psychology, learning is defined as the “relatively permanent change in behavior that is brought about by experience” (McGraw Hill, 2011, p. 112). This change in behavior cannot occur because of illness, injury, maturation, or chemical substances.

Role of Behavior in Learning
Psychology is a behavioral science; therefore an observable and measurable subject is required. In psychology, the subject studied is behavior. Researchers make inferences regarding the learning process based upon the observable behavior. Researchers study what is expressed through behavior, however, behavior may not always be from learning. B.F. Skinner believed that behavioral changes were learning whereas other theorists believed that behavioral changes were the result of learning (Olson & Hergenhahn, 2009). Except for Skinner and his followers, theorists believe that learning is a result of experience and occurs before the changes in behavior. In theory, in order to understand learning, one must also understand the behavior associated with it.

Types of Learning
According to Olson and Hergenhahn, there are different types of learning (2009). These types include classical and instrumental conditioning. In classical conditioning, a neutral stimulus brings about a response when paired with a stimulus that naturally brings the response. An example of classical conditioning is Ivan Pavlov’s research with dogs. At first, the dog salivated when presented with food. After Pavlov began ringing a bell and then presenting the dogs with food, the dog began to salivate at the ringing of a bell. Emotional responses are likely to be learned through classical conditioning (McGraw Hill, 2011). An example is the research done with “Little Albert.” Experimenters made a loud noise behind the child while showing him a rat. The child began to associate the frightening sound with the rat and began to fear rats. Classical conditioned learning happens throughout a person’s lifespan. Another type of conditioning is instrumental. In instrumental conditioning, there is a relationship between behavior and reinforcement (Olson & Hergenhahn, 2009). In instrumental conditioning, the behavior is present before the reinforcement. An example of instrumental conditioning is rewarding a child for good behavior. The child only gets the reward if his or her behavior is instrumental for the reward. Conditioning can be positive or negative learning.

Relationship between Learning and Cognition
However, conditioning does not explain learning such as reading. Theorists deduced that learning also involves the cognitive processes. The cognitive processes include thinking, knowing, remembering, forming mental representations, and problem solving (Wood, Wood, & Boyd, 2011). Cognitive theorists believe that one must first understand these processes in order to have a more comprehensive view of learning. Not all learning takes place with conditioning (McGraw Hill, 2011). Learning activities such as driving a car use the cognitive processes. These types of activities are more than conditioning; thought processes are used to carry out the activity. Cognitive theorists developed approaches focused on the mental processes rather than on external stimuli, reinforcements, and responses (McGraw Hill, 2011).

Conclusion
By studying the relatively permanent behavior change, a theorist has his or her subject matter to understand learning. Theorists use two psychological paradigms, classical and instrumental conditioning, to demonstrate the association between cognition and learning. The relationship between cognition and learning is important and both components are required to fully understand learning. Learning without cognition is only potential. Cognition without learning is only reflex and instinct.



References

McGraw Hill (2011). Psychsmart. New York, NV: Author.

Olson, M. H., & Hergenhahn, B. R. (2009). An introduction to theories of learning (8th ed.). Upper Saddle River, NJ: Pearson/Prentice Hall.


Wood, S. E., Wood, E. G., & Boyd, D. (2011). The world of psychology (7th ed.). Boston, MA: Pearson/Allyn & Bacon.

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