Fitness portfolio calibration for first- through sixth-grade children

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The purpose of this study was to develop and calibrate health-related fitness portfolios for 1st-6th grade students using the many-faceted Rasch model, and examine advantages and disadvantages of a portfolio assessment system based on Rasch calibration. Nine hundred ninety-five students from 23 schools in first–sixth grade, who completed three–six of nine health-related fitness portfolios, participated in this study. Ten physical education teachers performed the grading across various portfolios and grade levels. Students’ portfolios were rated using 23 predeveloped rubrics, and their scores linked through several common portfolios that were used across schools. The rating scores were analyzed using the many-faceted Rasch model, with four defined facets: portfolio, rubric, student, and rater. The model-data fit was very good, and a consistent grade difference was found, that is, older students scored higher in fitness knowledge than younger ones. With Rasch calibration, measurement problems in conventional portfolio assessments can be eliminated, and a valid and reliable assessment system can be developed. In addition, several other measurement advantages are provided by Rasch calibration (e.g., related facets can be examined and controlled simultaneously). A large sample size and a more complex process, however, are required in the calibration stage of developing such a system using the Rasch model.

Original languageEnglish (US)
Pages (from-to)324-334
Number of pages11
JournalResearch Quarterly for Exercise and Sport
Volume72
Issue number4
DOIs
StatePublished - Dec 2001
Externally publishedYes

Keywords

  • Assessment
  • Item response theory
  • Student learning

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation
  • Nephrology

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