Examlex
Stratified sampling differs from quota sampling in that the sample elements are selected probabilistically rather than based on convenience or judgment.
Negative Reinforcer
A stimulus whose removal immediately after a response increases the frequency of that response in the future.
Immediate Reinforcer
A reward that occurs directly following a behavior, which increases the likelihood of that behavior being repeated.
Variable-ratio Schedule
A reinforcement schedule in operant conditioning where a response is rewarded after an unpredictable number of responses, which tends to produce high and steady rates of response.
Continuous Reinforcement
A method of learning where every correct response is reinforced every time, leading to faster acquisition of behavior but quicker extinction once reinforcement stops.
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