On the Reliability and Validity of a Numerical Reasoning Speed Dimension Derived From Response Times Collected in Computerized Testing

Mark L. Davison, Robert Semmes, Lan Huang, Catherine N. Close

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Data from 181 college students were used to assess whether math reasoning item response times in computerized testing can provide valid and reliable measures of a speed dimension. The alternate forms reliability of the speed dimension was. 85. A two-dimensional structural equation model suggests that the speed dimension is related to the accuracy of speeded responses. Speed factor scores were significantly correlated with performance on the ACT math scale. Results suggest that the speed dimension underlying response times can be reliably measured and that the dimension is related to the accuracy of performance under the pressure of time limits.

Original languageEnglish (US)
Pages (from-to)245-263
Number of pages19
JournalEducational and Psychological Measurement
Volume72
Issue number2
DOIs
StatePublished - Apr 2012

Bibliographical note

Funding Information:
The author(s) received financial support for the research, authorship, and/or publication of this article from a United States Army Research Institute for the Behavioral and Social Sciences contract award number 1435-04-03-CT-74083 (Mark L. Davison) and by Grant No. R305C050059 from the Institute of Education Sciences in the U.S. Department of Education.

Keywords

  • item response theory
  • mathematical reasoning
  • reasoning speed
  • reliability
  • response latencies
  • structural equation model

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