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Preservice Observation in Special Education: A Validation Study.

Daisy J Pua1, David J Peyton2, Mary T Brownell1

  • 1University of Florida, Gainesville, USA.

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|May 27, 2020
PubMed
Summary

A new tool, the Preservice Observation Instrument for Special Education (POISE), helps train special education teachers. It is based on effective practices for teaching students with disabilities.

Keywords:
high-incidence disabilitiesinstructionteacher educationteacher preparation

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Area of Science:

  • Special Education
  • Teacher Preparation
  • Educational Measurement

Background:

  • Effective teacher preparation is crucial for advancing teacher competence.
  • Existing observation protocols lack specificity for preservice special education teachers.
  • There is a need for instruments grounded in theory and research on effective instruction for students with disabilities (SWDs).

Purpose of the Study:

  • To report on the development and psychometric properties of the Preservice Observation Instrument for Special Education (POISE).
  • To introduce an observation system specifically designed for preservice special education teachers.
  • To address the gap in validated observation tools for special education teacher preparation.

Main Methods:

  • Development of the POISE instrument by researchers in special education teacher preparation and measurement.
  • Application of Kane's argument-based validity approach throughout the development process.
  • Two phases of content validation, development activities, and a pilot study to assess scoring, generalizability, and extrapolation inferences.

Main Results:

  • The POISE instrument was developed based on effective special education practices.
  • Psychometric properties were evaluated using an argument-based validity framework.
  • Pilot study data provided evidence for the scoring, generalizability, and extrapolation inferences of the POISE.

Conclusions:

  • The POISE is a promising observation instrument for developing special education teacher candidates.
  • The instrument supports preservice teachers serving students with high-incidence disabilities across various instructional settings.
  • POISE contributes to enhancing the quality of special education teacher preparation programs.