Partial interval recording is a time sampling procedure in which the observer records if the target behavior occurred at any point during the interval. If the target behavior occurs, whether it occurs once or multiple times, the corresponding interval is marked. Partial interval time sampling does not involve collecting data on how many times the behavior occurs (frequency) nor how long the behavior lasted (duration). When collecting partial interval data, the only focus is on whether the behavior occurred during the interval. ([[Diaz.Claudio2019*]] pg. 81) **Advantages & Disadvantages** In comparison to other time sampling procedures, partial interval recording is advantageous because, once the behavior has occurred and been marked in the interval, the observer does not have to continue to watch the learner for the remainder of that interval. There are a couple of disadvantages to using partial interval recording. It overestimates the total duration of the behavior and underestimates the rate of high-frequency behaviors ([[Cooper.etal2019*]]) ___ ___ ##### **NEXT LESSON** [[Whole Interval]] ##### **PREVIOUS LESSON** [[Discontinuous Measurement]] ___ ___ **Return to RBT Curriculum Outline** [[0_RBT Curriculum Outline]] ___ #RBT/Curriculum #aba/measurement/discontinuous/partial_interval