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Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning

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From test validity to construct validity … and back?

Jerry A Colliver¹, Melinda J Conlee, Steven J Verhulst

¹Department of Medical Education, Southern Illinois University School of Medicine, 913 North Rutledge Street, Springfield, IL 62794-9623, USA. jcolliver@siumed.edu

Medical Education

|March 21, 2012

Summary

This summary is machine-generated.

Construct validity in medical education is critiqued for its reliance on untestable abstract theories. This paper advocates for reconsidering its application and exploring alternative measurement frameworks.

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Area of Science:

Psychometrics
Medical Education Research
Philosophy of Science

Background:

Historical shifts in measurement validity theory emphasize interpretations over tests.
Construct validity, introduced in the 1950s, aimed to validate abstract psychological concepts using nomological networks.
The practical challenges of nomological networks have led to a diluted 'interpretation and argument' approach, weakening validity claims.

Purpose of the Study:

To stimulate discussion on the application of construct validity in medical education.
To prompt test developers and users to re-evaluate the use of abstract theoretical constructs lacking empirical referents.

Main Methods:

Critical review of existing concerns regarding construct validity.
Overview of a proposed measurement framework grounded in scientific realism and causality analysis.

Main Results:

Current construct validity approaches may be too general, lacking the rigor of nomological networks.
The reliance on abstract theoretical constructs without clear referents poses challenges to establishing robust validity in medical education.

Conclusions:

The current application of construct validity in medical education may be inadequate due to its theoretical limitations.
Exploring alternative measurement paradigms, such as those based on scientific realism, is warranted to enhance validity in educational assessments.