Other Free Encyclopedias » Social Issues Reference » Child Development Reference - Vol 5

Learning - Classical Or Respondent Conditioning, Operant Or Instrumental Conditioning, Relationship Of Learning To School Performance - Observational Learning

stimulus behaviors child reward

Learning can occur in a variety of manners. An organism can learn associations between events in their environment (classical or respondent conditioning), learn based upon the reinforcements or punishments that follow their behaviors (operant or instrumental conditioning), and can also learn through observation of those around them (observational learning). Learning principles are of particular importance for school performance.

Manipulating Classical Conditioning

Researchers have found many phenomena associated with classical conditioning. In some cases a neutral stimulus very similar to the conditioned stimulus will elicit the conditioned response even if it has never been paired with the unconditioned stimulus before; this phenomenon is known as generalization. An example of generalization in Pavlov's dogs would be the dogs salivating to a sound of a different pitch than the one that was paired with food. Discrimination training can eliminate generalization by presenting the generalized stimulus without the unconditioned stimulus (food).

It is possible to erase the effects of conditioning by presenting the conditioned stimulus without the unconditioned stimulus. In other words, after successfully conditioning a dog to salivate to a sound, experimenters can eliminate the effects of the conditioning by presenting the sound many times without presenting the food. This process is called extinction. After a period following extinction, the original conditioned response might return again; this phenomenon is called spontaneous recovery, and it can be eliminated through a new series of extinction trials.

Classical Conditioning and Psychopathology

Behavioral theorists believe that certain psychological disorders are a result of a form of classical conditioning. Watson's experiment on Little Albert suggests that phobias might be learned through pairing a neutral or harmless stimulus with an unconditionally frightening event, thus causing the person to associate fear with the harmless stimulus. Treatment for phobias involves extinguishing the association between fear and the neutral stimulus through so-called systematic desensitization and flooding.

In systematic desensitization, patients are slowly presented with the feared object in stages, beginning with the least-feared situation and ending with a situation that provokes the most fear. The therapist teaches the patient to remain relaxed as the feared object approaches so eventually the patient associates it not with fear but with calmness and relaxation. One example is the case of Little Albert, in which Watson attempted to extinguish the baby's fear of the white rat by giving him food (a stimulus that elicited pleasure) while showing the white rat. In this case, the white rat ceases to be paired with a fear-inducing stimulus and instead becomes linked to a pleasure-inducing stimulus.

In flooding, the therapist attempts to alter the pair that has been classically conditioned. In this case, however, the patient agrees to be surrounded by the fear-inducing stimulus and not attempt to escape the situation. Flooding functions like extinction because the stimulus is present without the aversive response, so association weakens between the neutral stimulus and the fear response. After a long period, the patient ceases to be afraid of the stimulus.

Thus, classical or respondent conditioning is a purely behavioral type of learning. Animals or people conditioned in this manner do not consciously learn the associations between the stimuli and the responses. Instead, because the pairings occur repeatedly, the conditioned stimulus elicits the conditioned response unconsciously. In some instances, however, these responses are not automatic; instead, certain outcomes will induce the animals or humans to repeat the behavior while other outcomes cause them not to repeat the behavior.

The Effect of Reward or Punishment on Behavior

American psychologist Edward Thorndike's Law of Effect states that depending on the outcome, some responses get weakened while other responses get strengthened, and this process eventually leads to learning. Thorndike noted that when an animal was rewarded for a certain behavior, that behavior became progressively more frequent while behaviors that did not elicit a reward weakened and became sporadic, finally disappearing altogether. In other words, unlike classical conditioning, what follows a behavior or response is what is primarily important.

In his mid-twentieth-century experiments with rats and pigeons, American psychologist B. F. Skinner found that animals use their behaviors to shape their environment, acting on the environment in order to bring about a reward or to avoid a punishment. Skinner called this type of learning operant or instrumental conditioning. A reward or reinforcement is an outcome that increases the likelihood that an animal will repeat the behavior. There are two types of reinforcement: positive and negative. Positive reinforcement is something given that increases the chance that the animal or person will repeat the behavior; for example, smiling or praise whenever a student raises her hand is a form of positive reinforcement if it results in increased hand-raising. Negative reinforcement occurs when something is taken away; stopping an electric shock to elicit a behavior from a rat is an example, because whatever behavior the rat exhibited to terminate the shock will increase.

A punishment, on the other hand, is an outcome for which the likelihood of a future behavior decreases. For example, spanking or slapping a child is an example of punishment, as is grounding, because all three can be expected to reduce the occurrence of the behavior that preceded them.

There are a number of ways in which someone can manipulate an animal's or a person's behavior using operant or instrumental conditioning. One of these methods is called shaping and involves reinforcing behaviors as they approach the desired goal. Suppose a person wants to train a dog to jump through a hoop. He would first reward the dog for turning toward the hoop, then perhaps for approaching the hoop. Eventually he might reward the dog only for walking through the hoop if it is low to the ground. Finally, he would raise the hoop off the ground and reward the dog only for jumping through the hoop.

The Role of Context

Context is extremely important for operant conditioning to occur. Both animals and people must learn that certain behaviors are appropriate in some contexts but not in others. For instance, a young child might learn that it is acceptable to scribble with a crayon on paper but not on the wall. Similarly, Skinner found that animals can discriminate between different stimuli in order to receive a reward. A pigeon can discriminate between two different colored lights and thereby learn that if it pecks a lever when a green light is on it will receive food, but if it pecks when the red light is on it will not receive food.

What is more, animals can discriminate between different behaviors elicited by different contexts. For example, a rat can learn that turning around clockwise in its cage will result in getting food but that in a different cage turning counterclockwise will bring a reward. Animals will also generalize to other stimuli, performing the desired behavior when a slightly different stimulus occurs. For instance, a pigeon that knows that pecking a lever when a green light is on will bring food might also peck the lever when a different-colored light is on. Both generalization and discrimination help animals and people learn which behaviors are appropriate in which contexts.

Reinforcement Schedules

The rate of reinforcement can also affect the frequency of the desired response. Delaying reinforcement slows learning down, although research shows that humans can learn from delayed reinforcements, and that it is often difficult to forfeit immediately positive outcomes in order to avoid adverse ones later.

The schedule of reinforcement also plays a critical role in affecting response rates. There are two types of reinforcement schedules: interval schedules and ratio schedules. Interval schedules are reinforcement schedules in which rewards are given after a certain period of time. Ratio schedules are schedules in which rewards are given after a specific number of correct responses. As seen below, the time interval or response ratio can either be fixed or variable.

The schedule that elicits the most rapid frequency of responses is the fixed ratio schedule. In this case, the animal knows it will receive a reward after a fixed number of responses so it produces that number as quickly and frequently as possible. This phenomenon also occurs with people; if craftspeople are paid for each object they make, they will try to produce as many objects as possible in order to maximize their rewards.

Generating nearly as rapid a frequency of responses as the fixed ratio schedule is the variable ratio schedule. In this case, the number of responses needed to produce a reward varies so the animal or person will emit the desired behavior frequently on the chance that the next time might bring the reward. Lotteries and slot machines function on a variable ratio schedule, thus inducing people to want to play again.

Interval schedules tend to produce slower frequencies of response. A fixed interval schedule will produce fewer responses early in the interval with an increase as the time for the reward approaches. One example in human behavior is the passing of bills in Congress. As elections approach, the number of bills passed increases dramatically, with a swift decline after the election. A variable interval schedule, on the other hand, produces a slow but steady frequency of response; for instance, a teacher giving "pop" quizzes at irregular intervals encourages her students to maintain a consistent level of studying throughout the semester.

Although classical or respondent conditioning involves automatic responses to behavior, operant or instrumental conditioning is a result of the decision to produce a certain behavior in order to receive a reward or avoid a punishment.

Learning does not always occur directly as a result of punishment or reinforcement, but can occur through the process of watching others. Children can learn from observing rewards or punishments given to someone else, and do not need to be the recipients themselves. This form of social learning is called observational learning. The terms "imitation" and "modeling" are often used interchangeably and are types of observational learning.

Imitation and Modeling

Imitation may be a powerful means through which infants can learn from those around them. Andrew Meltzoff and M. Keith Moore's classic 1977 study illustrated imitation of tongue protrusion, lip protrusion, and mouth opening by two- to three- week-old infants. For this behavior to occur, infants must match what they see the model doing with what they feel themselves doing, and it has been demonstrated in infants three days old. Thus, it seems that imitation occurs from birth onward and that infants may learn many new behaviors in this way.

As children grow, they imitate more complex behaviors than simple mouth movements. A researcher who has performed much research in the area of observational learning in children is Albert Bandura. His best-known study of modeling in children involved aggressive behavior. While children observed, models either physically attacked or nonaggressively interacted with a large inflatable doll called Bobo. The children were then given the opportunity to play with Bobo. Those who had observed the aggressive model displayed twice as much aggressive behavior as those who had observed the nonaggressive model. In addition, the children who had observed the aggressive model performed aggressive acts that had not been modeled, illustrating that generalization had occurred. These findings indicate that children can indeed learn what behavior is appropriate in a given situation through observation alone.

Observational learning can have other effects as well. The opposite of the Bobo findings can occur in which inhibition of a class of behaviors becomes less likely after observation. Often inhibition occurs after observing another person being punished for performing a certain type of behavior, such as aggressive behavior in general.

Through his studies on observational learning, Bandura developed his cognitive theory of observational learning. He posited that four mental processes need to be present in order for observational learning to occur. One mental process is that of attention; that is, a child must find the model interesting enough to hold the child's attention. The child must also be able to hold the model's behavior in memory in order to imitate the behavior later. In addition, without sufficient motor control, the child would be unable to mimic the model's behaviors. Finally, motivation is integral in that the child must have a reason to perform the behavior that was modeled.

Bandura's cognitive theory of observational learning is helpful for understanding why children Developmental toys and games such as "Memory" are invaluable to a child's learning process. (Robert J. Huffman, Field Mark Publications) imitate behavior in some cases and not others. In particular, children are more likely to imitate a model when they see the model's behavior rewarded rather than punished. In addition, self-efficacy beliefs play into a child's choice of imitation. If the child believes that she does not have the talent necessary to imitate a particular behavior, she will not attempt to do so. Thus it seems that both cognitive and social factors come into play in observational learning, and that is why Bandura's theory is also called a social cognitive theory of learning.

Observational Learning in Practice

Observational learning can be seen in practice in many settings. First, it seems that children can imitate behaviors they have seen on television—behaviors that are often aggressive behaviors. There are many factors that determine whether a child will imitate an aggressive model on television. The observing child must first identify with the model in order to consider imitating the model. The consequences of the aggressive behavior are also a factor. In addition, if the child is old enough to realize that aggression on television does not represent reality, he is less likely to imitate the behavior. Finally, what the parents tell the child about the aggressive behavior he is viewing also plays a role in whether or not the child will imitate the behavior.

Observational learning is also important in the learning of sex roles. It has been found that children can learn appropriate behaviors for each sex by reading, watching television, or observing real models.

Another type of behavior that has been found to be learned through observation is prosocial behavior (positive or helpful behavior). Children increase their giving and helping behaviors after observing a peer or adult doing the same and even after viewing such behavior on a television program. In addition, it has been found that modeling of prosocial behavior results in more prosocial behavior in the learner than simple statements that prosocial behavior is good.

Observational learning is often used in therapeutic settings. People can be trained in assertiveness through observation of an assertive therapist. In addition, people can learn to overcome phobias through observation of others interacting calmly with the object of their fear.

In sum, imitation and modeling, both of which are forms of observational learning, begin with simple behaviors in infancy and continue on to complex behaviors in childhood and adulthood. Bandura has theorized that cognitive and social factors interact in observational learning and affect whether an observer will imitate a behavior or not. Observational learning occurs in many settings and has also been used in therapy.

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Wow, there really was a lot of time put into this, it's a fairly long read. I enjoyed the part on Imitation and Modeling

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Learning - Classical Or Respondent Conditioning, Operant Or Instrumental Conditioning, Relationship Of Learning To School Performance - Observational Learning

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about 6 years ago

Hello, My name is Karen Farrar and I read your article on the conditioning of children and animals through fear. I was wondering that if someone was conditioned through fear as a child (do this or else) then when they grow up and someone is trying to get them to react a certain way and do something they are afraid of doing but they are using positive reinforcement will that person not see it? Another words, if someone is raised by their parents using fear but someone else is trying to get them to listen by not using it will it work? Or does fear still need to be used? If you are conditioned that way and no other way will you recognize it when it's done differently?

thank you
Karen

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over 6 years ago



Other Free Encyclopedias » Social Issues Reference » Child Development Reference - Vol 5
Learning - Classical Or Respondent Conditioning, Operant Or Instrumental Conditioning, Relationship Of Learning To School Performance - Observational Learning

stimulus behaviors child reward children model reinforcement responses
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Learning can occur in a variety of manners. An organism can learn associations between events in their environment (classical or respondent conditioning), learn based upon the reinforcements or punishments that follow their behaviors (operant or instrumental conditioning), and can also learn through observation of those around them (observational learning). Learning principles are of particular importance for school performance.
Manipulating Classical Conditioning

Researchers have found many phenomena associated with classical conditioning. In some cases a neutral stimulus very similar to the conditioned stimulus will elicit the conditioned response even if it has never been paired with the unconditioned stimulus before; this phenomenon is known as generalization. An example of generalization in Pavlov's dogs would be the dogs salivating to a sound of a different pitch than the one that was paired with food. Discrimination training can eliminate generalization by presenting the generalized stimulus without the unconditioned stimulus (food).

It is possible to erase the effects of conditioning by presenting the conditioned stimulus without the unconditioned stimulus. In other words, after successfully conditioning a dog to salivate to a sound, experimenters can eliminate the effects of the conditioning by presenting the sound many times without presenting the food. This process is called extinction. After a period following extinction, the original conditioned response might return again; this phenomenon is called spontaneous recovery, and it can be eliminated through a new series of extinction trials.
Classical Conditioning and Psychopathology

Behavioral theorists believe that certain psychological disorders are a result of a form of classical conditioning. Watson's experiment on Little Albert suggests that phobias might be learned through pairing a neutral or harmless stimulus with an unconditionally frightening event, thus causing the person to associate fear with the harmless stimulus. Treatment for phobias involves extinguishing the association between fear and the neutral stimulus through so-called systematic desensitization and flooding.

In systematic desensitization, patients are slowly presented with the feared object in stages, beginning with the least-feared situation and ending with a situation that provokes the most fear. The therapist teaches the patient to remain relaxed as the feared object approaches so eventually the patient associates it not with fear but with calmness and relaxation. One example is the case of Little Albert, in which Watson attempted to extinguish the baby's fear of the white rat by giving him food (a stimulus that elicited pleasure) while showing the white rat. In this case, the white rat ceases to be paired with a fear-inducing stimulus and instead becomes linked to a pleasure-inducing stimulus.

In flooding, the therapist attempts to alter the pair that has been classically conditioned. In this case, however, the patient agrees to be surrounded by the fear-inducing stimulus and not attempt to escape the situation. Flooding functions like extinction because the stimulus is present without the aversive response, so association weakens between the neutral stimulus and the fear response. After a long period, the patient ceases to be afraid of the stimulus.

Thus, classical or respondent conditioning is a purely behavioral type of learning. Animals or people conditioned in this manner do not consciously learn the associations between the stimuli and the responses. Instead, because the pairings occur repeatedly, the conditioned stimulus elicits the conditioned response unconsciously. In some instances, however, these responses are not automatic; instead, certain outcomes will induce the animals or humans to repeat the behavior while other outcomes cause them not to repeat the behavior.
The Effect of Reward or Punishment on Behavior

American psychologist Edward Thorndike's Law of Effect states that depending on the outcome, some responses get weakened while other responses get strengthened, and this process eventually leads to learning. Thorndike noted that when an animal was rewarded for a certain behavior, that behavior became progressively more frequent while behaviors that did not elicit a reward weakened and became sporadic, finally disappearing altogether. In other words, unlike classical conditioning, what follows a behavior or response is what is primarily important.

In his mid-twentieth-century experiments with rats and pigeons, American psychologist B. F. Skinner found that animals use their behaviors to shape their environment, acting on the environment in order to bring about a reward or to avoid a punishment. Skinner called this type of learning operant or instrumental conditioning. A reward or reinforcement is an outcome that increases the likelihood that an animal will repeat the behavior. There are two types of reinforcement: positive and negative. Positive reinforcement is something given that increases the chance that the animal or person will repeat the behavior; for example, smiling or praise whenever a student raises her hand is a form of positive reinforcement if it results in increased hand-raising. Negative reinforcement occurs when something is taken away; stopping an electric shock to elicit a behavior from a rat is an example, because whatever behavior the rat exhibited to terminate the shock will increase.

A punishment, on the other hand, is an outcome for which the likelihood of a future behavior decreases. For example, spanking or slapping a child is an example of punishment, as is grounding, because all three can be expected to reduce the occurrence of the behavior that preceded them.

There are a number of ways in which someone can manipulate an animal's or a person's behavior using operant or instrumental conditioning. One of these methods is called shaping and involves reinforcing behaviors as they approach the desired goal. Suppose a person wants to train a dog to jump through a hoop. He would first reward the dog for turning toward the hoop, then perhaps for approaching the hoop. Eventually he might reward the dog only for walking through the hoop if it is low to the ground. Finally, he would raise the hoop off the ground and reward the dog only for jumping through the hoop.
The Role of Context

Context is extremely important for operant conditioning to occur. Both animals and people must learn that certain behaviors are appropriate in some contexts but not in others. For instance, a young child might learn that it is acceptable to scribble with a crayon on paper but not on the wall. Similarly, Skinner found that animals can discriminate between different stimuli in order to receive a reward. A pigeon can discriminate between two different colored lights and thereby learn that if it pecks a lever when a green light is on it will receive food, but if it pecks when the red light is on it will not receive food.

What is more, animals can discriminate between different behaviors elicited by different contexts. For example, a rat can learn that turning around clockwise in its cage will result in getting food but that in a different cage turning counterclockwise will bring a reward. Animals will also generalize to other stimuli, performing the desired behavior when a slightly different stimulus occurs. For instance, a pigeon that knows that pecking a lever when a green light is on will bring food might also peck the lever when a different-colored light is on. Both generalization and discrimination help animals and people learn which behaviors are appropriate in which contexts.
Reinforcement Schedules

The rate of reinforcement can also affect the frequency of the desired response. Delaying reinforcement slows learning down, although research shows that humans can learn from delayed reinforcements, and that it is often difficult to forfeit immediately positive outcomes in order to avoid adverse ones later.
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The schedule of reinforcement also plays a critical role in affecting response rates. There are two types of reinforcement schedules: interval schedules and ratio schedules. Interval schedules are reinforcement schedules in which rewards are given after a certain period of time. Ratio schedules are schedules in which rewards are given after a specific number of correct responses. As seen below, the time interval or response ratio can either be fixed or variable.

The schedule that elicits the most rapid frequency of responses is the fixed ratio schedule. In this case, the animal knows it will receive a reward after a fixed number of responses so it produces that number as quickly and frequently as possible. This phenomenon also occurs with people; if craftspeople are paid for each object they make, they will try to produce as many objects as possible in order to maximize their rewards.

Generating nearly as rapid a frequency of responses as the fixed ratio schedule is the variable ratio schedule. In this case, the number of responses needed to produce a reward varies so the animal or person will emit the desired behavior frequently on the chance that the next time might bring the reward. Lotteries and slot machines function on a variable ratio schedule, thus inducing people to want to play again.

Interval schedules tend to produce slower frequencies of response. A fixed interval schedule will produce fewer responses early in the interval with an increase as the time for the reward approaches. One example in human behavior is the passing of bills in Congress. As elections approach, the number of bills passed increases dramatically, with a swift decline after the election. A variable interval schedule, on the other hand, produces a slow but steady frequency of response; for instance, a teacher giving "pop" quizzes at irregular intervals encourages her students to maintain a consistent level of studying throughout the semester.

Although classical or respondent conditioning involves automatic responses to behavior, operant or instrumental conditioning is a result of the decision to produce a certain behavior in order to receive a reward or avoid a punishment.

Learning does not always occur directly as a result of punishment or reinforcement, but can occur through the process of watching others. Children can learn from observing rewards or punishments given to someone else, and do not need to be the recipients themselves. This form of social learning is called observational learning. The terms "imitation" and "modeling" are often used interchangeably and are types of observational learning.
Imitation and Modeling

Imitation may be a powerful means through which infants can learn from those around them. Andrew Meltzoff and M. Keith Moore's classic 1977 study illustrated imitation of tongue protrusion, lip protrusion, and mouth opening by two- to three- week-old infants. For this behavior to occur, infants must match what they see the model doing with what they feel themselves doing, and it has been demonstrated in infants three days old. Thus, it seems that imitation occurs from birth onward and that infants may learn many new behaviors in this way.

As children grow, they imitate more complex behaviors than simple mouth movements. A researcher who has performed much research in the area of observational learning in children is Albert Bandura. His best-known study of modeling in children involved aggressive behavior. While children observed, models either physically attacked or nonaggressively interacted with a large inflatable doll called Bobo. The children were then given the opportunity to play with Bobo. Those who had observed the aggressive model displayed twice as much aggressive behavior as those who had observed the nonaggressive model. In addition, the children who had observed the aggressive model performed aggressive acts that had not been modeled, illustrating that generalization had occurred. These findings indicate that children can indeed learn what behavior is appropriate in a given situation through observation alone.

Observational learning can have other effects as well. The opposite of the Bobo findings can occur in which inhibition of a class of behaviors becomes less likely after observation. Often inhibition occurs after observing another person being punished for performing a certain type of behavior, such as aggressive behavior in general.

Through his studies on observational learning, Bandura developed his cognitive theory of observational learning. He posited that four mental processes need to be present in order for observational learning to occur. One mental process is that of attention; that is, a child must find the model interesting enough to hold the child's attention. The child must also be able to hold the model's behavior in memory in order to imitate the behavior later. In addition, without sufficient motor control, the child would be unable to mimic the model's behaviors. Finally, motivation is integral in that the child must have a reason to perform the behavior that was modeled.

Bandura's cognitive theory of observational learning is helpful for understanding why children Developmental toys and games such as "Memory" are invaluable to a child's learning process. (Robert J. Huffman, Field Mark Publications) imitate behavior in some cases and not others. In particular, children are more likely to imitate a model when they see the model's behavior rewarded rather than punished. In addition, self-efficacy beliefs play into a child's choice of imitation. If the child believes that she does not have the talent necessary to imitate a particular behavior, she will not attempt to do so. Thus it seems that both cognitive and social factors come into play in observational learning, and that is why Bandura's theory is also called a social cognitive theory of learning.
Observational Learning in Practice

Observational learning can be seen in practice in many settings. First, it seems that children can imitate behaviors they have seen on television—behaviors that are often aggressive behaviors. There are many factors that determine whether a child will imitate an aggressive model on television. The observing child must first identify with the model in order to consider imitating the model. The consequences of the aggressive behavior are also a factor. In addition, if the child is old enough to realize that aggression on television does not represent reality, he is less likely to imitate the behavior. Finally, what the parents tell the child about the aggressive behavior he is viewing also plays a role in whether or not the child will imitate the behavior.

Observational learning is also important in the learning of sex roles. It has been found that children can learn appropriate behaviors for each sex by reading, watching television, or observing real models.

Another type of behavior that has been found to be learned through observation is prosocial behavior (positive or helpful behavior). Children increase their giving and helping behaviors after observing a peer or adult doing the same and even after viewing such behavior on a television program. In addition, it has been found that modeling of prosocial behavior results in more prosocial behavior in the learner than simple statements that prosocial behavior is good.

Observational learning is often used in therapeutic settings. People can be trained in assertiveness through observation of an assertive therapist. In addition, people can learn to overcome phobias through observation of others interacting calmly with the object of their fear.

In sum, imitation and modeling, both of which are forms of observational learning, begin with simple behaviors in infancy and continue on to complex behaviors in childhood and adulthood. Bandura has theorized that cognitive and social factors interact in observational learning and affect whether an observer will imitate a behavior or not. Observational learning occurs in many settings and has also been used in therapy.
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over 2 years ago

marsan clutsom » marsan dot clutsom ((at)) lineone dot net

just what i needed to know. great information to help with my study into child development and learning thanks

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about 9 years ago

just what i needed to know. great information to help with my study into child development and learning thanks