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Related Experiment Video

Updated: Nov 5, 2025

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
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Introducing BITTSy: The Behavioral Infant & Toddler Testing System.

R S Newman1,2, E A Shroads3, E K Johnson4

  • 1Department of Hearing and Speech Sciences, University of Maryland, College Park, MD, 20742, USA. rnewman1@umd.edu.

Behavior Research Methods
|May 20, 2021
PubMed
Summary
This summary is machine-generated.

BITTSy, the Behavioral Infant & Toddler Testing System, offers an affordable, space-efficient software solution for infant behavioral research. This system standardizes procedures like the headturn preference, enhancing cross-site collaborations for labs with limited resources.

Keywords:
Conditioned headturnHabituationHeadturn preference procedureInfantLooking timeLooking-while-listeningPreferential lookingSoftwareVisual fixation

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Area of Science:

  • Developmental Psychology
  • Cognitive Neuroscience
  • Infant Research

Background:

  • Conducting behavioral research with infants and toddlers requires specialized, often costly, equipment.
  • Standardization across research sites is crucial for reliable data collection and collaboration.
  • Resource limitations can hinder access to advanced testing methodologies for many labs.

Purpose of the Study:

  • To introduce BITTSy (Behavioral Infant & Toddler Testing System), a novel software solution for infant behavioral testing.
  • To provide an affordable and accessible platform for implementing established infant research procedures.
  • To facilitate standardized, multi-site research collaborations in infant development.

Main Methods:

  • BITTSy software utilizes commercial-off-the-shelf (COTS) hardware for a cost-effective setup.
  • The system supports key infant behavioral paradigms: headturn preference, preferential looking, conditioned headturn, and visual fixation/habituation.
  • Freely available software, protocols, datasets, and a manual ensure ease of use and implementation.

Main Results:

  • BITTSy enables the execution of multiple infant testing procedures using affordable, space-efficient technology.
  • The system's design promotes uniform application of procedures across different research sites.
  • Availability of the software package and associated resources lowers the barrier for resource-limited laboratories.

Conclusions:

  • BITTSy provides a standardized, powerful, and accessible research tool for infant and toddler behavioral studies.
  • The system is designed to enhance the quality and scope of cross-site research collaborations.
  • This initiative democratizes access to sophisticated infant testing methodologies, supporting a wider research community.