Predicting preference for items during periods of extended access based on early response allocation

Area of Science:

• Behavioral Psychology
• Applied Behavior Analysis

Background:

• Preference assessments are crucial for identifying motivating stimuli.
• Brief assessments are desirable for efficiency, but their accuracy requires validation.

Purpose of the Study:

• To evaluate the predictive validity of brief preference assessment methods.
• To determine if initial engagement or early high responding predicts overall top-ranked items.

Main Methods:

• Conducted 30-minute free-operant preference assessments with 9 individuals.
• Analyzed data for the first item engaged and item with highest response allocation at 5-minute intervals.
• Compared these early indicators to the overall top-ranked item for each session.

Main Results:

• The first-engaged item predicted the top-ranked item in 55% of sessions.
• The item with the highest response allocation at 5 minutes predicted the top-ranked item in 62% of sessions.
• Engagement with the top-ranked item decreased across sessions for 6 out of 9 participants.

Conclusions:

• A 5-minute high-allocation measure shows moderate predictive validity for identifying top preferred items.
• Brief preference assessment methods may offer a time-efficient alternative, but potential decreases in engagement over time warrant consideration.
• Findings have implications for optimizing the duration of preference assessments in applied settings.