Development and Validation of the Ability in Behavior Assessment and Interventions for Teachers Using Delphi Technique and Rasch Analysis

  • Anuradha Dutt
  • Marilyn Tan
  • Sivakumar Alagumalai
  • Rahul NairEmail author
Original Paper


Functional Behavior Assessment (FBA) and behavior interventions have been effective in the management of challenging behavior among children with developmental disabilities including autism spectrum disorders. Research suggests the need for valid measurement instruments for verifying, calibrating and scoring competence in FBA and behavior interventions. The validation for the Ability in Behaviour Assessment and Interventions for Teachers (ABAIT) adopted the Delphi method for developing consensus followed by the application of Rasch Measurement Model (RMM). RMM among 292 special educators reported appropriate infit (0.84–1.11), outfit (0.94–1.05), and item separation reliability (0.99), though some items reported low point-biserial correlation. The ABAIT was developed with expert consensus and was found to have a suitable fit with RMM.


Scale validation Teacher training Autism spectrum disorders Functional behavior assessments and interventions Rasch Measurement Model 



This research study is supported by the Office of Education Research – National Institute of Education, Nanyang Technological University (Grant No. OER 18/14 AD).

Author Contributions

AD contributed to the conceptualization of the study, data collection, interpretation of results, manuscript preparation and critically reviewed the manuscript. MT contributed to the data collection, interpretation of the results, and manuscript preparation. SA contributed to data analyses, interpretation of the results, preparation of the manuscript and critically reviewed the manuscript. RN contributed to the conceptualization of the study, data analyses, interpretation of results, manuscript preparation and critically reviewed the manuscript.

Compliance with Ethical Standards

Conflict of interest

The authors declared that they have no conflict of interest.

Ethical Approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed Consent

Informed consent was obtained from all individual participants included in the study.

Supplementary material

10803_2019_3887_MOESM1_ESM.docx (33 kb)
Supplementary material 1 (DOCX 33 KB)


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Psychological Studies Academic Group, National Institute of EducationNanyang Technological UniversitySingaporeSingapore
  2. 2.School of EducationUniversity of AdelaideAdelaideAustralia
  3. 3.Adelaide Dental SchoolARCPOH, University of AdelaideAdelaideAustralia

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