Partial Interval Recording
In Plain Language
Marking an interval if behavior occurred at any time within it.
ABA Definition
A discontinuous measure scoring occurrence when the target behavior is observed during any portion of each interval.
Everyday Example
A reading observer marks a minute even if reading occurred for only a few seconds.
ABA Example
Staff score an interval yes if the defined behavior occurs at least once during it.
How It May Be Used
It tends to overestimate the proportion of time occupied and is not an event count.