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Psychology (5,220)
PSYCH 1X03 (1,058)
Joe Kim (989)
Lecture

Instrumental condiitoning

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Department
Psychology
Course
PSYCH 1X03
Professor
Joe Kim
Semester
Fall

Description
Instrumental conditioning – Psych lecture #4 Instrumental conditioning: Learning a contingency between a behaviour and its consequences. • What follows – increase/decrease the likelihood of the occurrence of that behaviour • Positive consequences/ negative consequences. • Contingency - behaviour + consequences • Type of Behaviour – Conscious/voluntary • Example: Study more frequently = if get better grades / • Increase behaviour : reward training/ removal of a negative reinforcer (escape training) • Decrease behaviour : presentation of a negative reinforcer/ removal of a postive reinforcer o Reward training : Positive reinforcement o Punishment training: Adding a negative component o Escape training: Emphasizing a negative reinforcement o Omission training: Removing the positive stimuli. - remove the unpleasant factor from the environment • Shaping o Autoshaping : Development of an instrumentally conditioned response occurs in the absence of direct training. o Shaping by successive approximation : Involves reinforcing small steps toward a desired behaviour. • Schedules of Reinforcement o Continuous Reinforcement  Reinforced every trial o Partial Reinforcement  Ratio(fixed/variable)
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