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A generalized reinforcer is a conditioned reinforcer that has obtained the reinforcing function by pairing with many other reinforcers and functions as a reinforcer under a wide-variety of motivating operations. (One example of this is money because it is paired with many other reinforcers). [14]: 83
Less technically, a tact is a label. For example, a child may see their pet dog and say "dog"; the nonverbal stimulus (dog) evoked the response "dog" which is maintained by praise (or generalized conditioned reinforcement) "you're right, that is a dog!" Chapter five of Skinner's Verbal Behavior discusses the tact in depth.
Given two concurrently available chained schedules of reinforcement, and represent the number of responses made during alternative A and B’s initial link stimulus. t a {\displaystyle t_{a}} and t b {\displaystyle t_{b}} represent the average duration of each choice’s respective terminal link.
Tact – a verbal response evoked by a non-verbal antecedent and maintained by generalized conditioned reinforcement (e.g., identifying items, people, or nonhuman animals). Mand – behavior under control of motivating operations maintained by a characteristic reinforcer (e.g., direct reinforcement for a self-initiated request).
Positive reinforcement occurs when a behavior (response) results in a desired stimulus being added and increases the frequency of that behavior in the future. [17] Example: if a rat in a Skinner box gets food when it presses a lever, its rate of pressing will go up. Pressing the lever was positively reinforced.
A token economy is a system of contingency management based on the systematic reinforcement of target behavior. The reinforcers are symbols or tokens that can be exchanged for other reinforcers. [1] A token economy is based on the principles of operant conditioning and behavioral economics and can be situated within applied behavior analysis ...
Shaping sometimes fails. An oft-cited example is an attempt by Marian and Keller Breland (students of B.F. Skinner) to shape a pig and a raccoon to deposit a coin in a piggy bank, using food as the reinforcer. Instead of learning to deposit the coin, the pig began to root it into the ground, and the raccoon "washed" and rubbed the coins together.
That is, a discriminative stimulus is also a "conditioned reinforcer". For example, the light that sets the occasion for lever pressing may also be used to reinforce "turning around" in the presence of a noise. This results in the sequence "noise – turn-around – light – press lever – food."