ABA Glossary

By Dana Meller, M.A., BCBA
Edited by Tyra Sellers, J.D., Ph.D., BCBA-D
ABA Glossary by Dana Meller, M.A., BCBA, edited by Tyra Sellers, J.D., Ph.D., BCBA-D

Topography

Measurement that describes a behavior’s physical form and shape.

5th Edition Task List

C-5  Measure form and strength of behavior (e.g., topography, magnitude).

6th Edition TCO

C.3 Measure occurrence.

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  • Rate
    A derived measure of behavior that involves calculating the number of occurrences of a given response within a given period of time (e.g., number of mands per hour). Answers the…
  • Percentage
    A derived measure of behavior that depicts the proportional quantity of the number of times the behavior occurred out of the total number of opportunities for that behavior to occur…
  • Occurrence data
    A measurement of behavior that represents its repeatability and countability.
  • Magnitude
    The measurable dimension of a behavior’s strength, force, intensity, and/or severity.
  • Count
    A measurement that directly summarizes the number of occurrences of a given response/behavior. Answers the question: How many times did the behavior occur, or how many of something were produced?
  • Celeration
    A measure of the change (i.e., increase or decrease) in the rate of a behavior over a period of time. Answers the question: How did the rate of behavior change…
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