Journal of behavioral assessment

, Volume 5, Issue 2, pp 143–150

The use of momentary time sampling to assess both frequency and duration of behavior

  • Donald Ary
  • Hoi K. Suen

DOI: 10.1007/BF01321446

Cite this article as:
Ary, D. & Suen, H.K. Journal of Behavioral Assessment (1983) 5: 143. doi:10.1007/BF01321446


When the time-sampling interval size can be set so it is smaller than both the shortest behavior instance and the shortest interresponse time, momentary time sampling will yield an accurate count of the frequency of behavior occurrence. It will also yield an unbiased estimate of behavior duration.

Key words

momentary time samplingbehavior samplingbehavior durationbehavior frequency

Copyright information

© Plenum Publishing Corporation 1983

Authors and Affiliations

  • Donald Ary
    • 1
  • Hoi K. Suen
    • 1
  1. 1.Department of Learning, Development, and Special EducationNorthern Illinois UniversityDeKalb