The PORTL Laboratory (SQAB 2022)

In May 2022, as part of the 48th annual ABAI convention, Mary Hunter was invited to give a SQAB Invited Preeminent Tutorial about “The PORTL Laboratory.” SQAB, which stands for the Society for the Quantitative Analyses of Behavior, was founded in 1978 by M. L. Commons and J. A. Nevin to present and publish material … Read more

PORTL reinforcer system (video)

This video demonstrates the PORTL reinforcement delivery process. It shows what happens when the correct behavior occurs: – The teacher clicks the clicker. – The learner holds out a hand. – The teacher places a block in the learner’s hand. – The learner places the block in the bowl. – The teacher’s hand returns to … Read more

How to build your own PORTL kit

The following excerpt is from PORTL: The Portable Operant Research and Teaching Lab (pages 12-13).To buy a copy of the PORTL manual or a PORTL kit, visit our Store.For more information about PORTL, please visit our resource page. PORTL requires simple, inexpensive equipment. You will need the following: A collection of at least a dozen … Read more

Reflections about Reinforcement (PDF)

In the 1950s, Dr. Fred Keller wrote a book called Learning: Reinforcement Theory. The size of a small paperback novel, it’s a short book. The whole thing is about 80 pages. However, within its pages, Dr. Keller explains the basics of operant and respondent conditioning, reinforcement, punishment, extinction, intermittent reinforcement, generalization, discrimination, chaining, and more. … Read more

Building duration inside a chain (video)

Adding more duration to a behavior can sometimes be difficult, even for teachers who are good at shaping. When the teacher changes the criteria for reinforcement, the learner may wonder, “Should I do MORE of this same behavior? Or, am I supposed to do a DIFFERENT behavior?” If the learner engages in other behaviors, this … Read more

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