Which recording method occurs when observation is made only at the end of the interval?

Which recording method occurs when observation is made only at the end of the interval?

• A. Momentary Time Sample (MTS)
• B. PlacCheck
• C. Data Point
• D. Horizontal Axis Label

Answer: (A)

End-of-interval observation is what this item tests. Momentary Time Sampling uses exactly that: you check whether the target behavior is occurring at the end of each interval and record that snapshot. This approach makes data collection efficient by not requiring continuous watching, but it can miss brief occurrences that happen earlier in the interval and end before the check, so the data reflect whether the behavior was present at the end moment rather than throughout the interval. PlacCheck, in contrast, notes whether the behavior occurred at any time during the interval, not just at the end. Data Point and Horizontal Axis Label aren’t recording methods for capturing behavior over intervals.

End-of-interval observation is what this item tests. Momentary Time Sampling uses exactly that: you check whether the target behavior is occurring at the end of each interval and record that snapshot. This approach makes data collection efficient by not requiring continuous watching, but it can miss brief occurrences that happen earlier in the interval and end before the check, so the data reflect whether the behavior was present at the end moment rather than throughout the interval. PlacCheck, in contrast, notes whether the behavior occurred at any time during the interval, not just at the end. Data Point and Horizontal Axis Label aren’t recording methods for capturing behavior over intervals.