Fluharty preschool speech and language screening test: analysis of construct validity

Area of Science:

• Speech-Language Pathology
• Psychometrics
• Developmental Psychology

Background:

• The Fluharty Preschool Speech and Language Screening Test is a tool used to assess language skills in young children.
• Evaluating the construct validity of screening tools is crucial for accurate early identification of speech and language disorders.

Purpose of the Study:

• To examine the construct validity of the Fluharty Preschool Speech and Language Screening Test.
• To assess the appropriateness and usefulness of individual test items.

Main Methods:

• Analysis of data from 260 preschool children aged 3-6 years.
• Examination of age differentiation, internal consistency, discriminant analysis, and item difficulty.

Main Results:

• Moderate age differentiation was observed, suggesting some developmental progression.
• Internal consistency, discriminant analysis, and item difficulty analyses indicated potential issues with many test items.
• The test was not found to be racially biased on a global level, but specific items may warrant further investigation.

Conclusions:

• While the Fluharty Preschool Speech and Language Screening Test demonstrates some ability to differentiate by age, concerns exist regarding the psychometric properties of many items.
• Further refinement of the test items may be necessary to improve its overall usefulness and appropriateness for screening preschool speech and language development.
• Clinicians should be aware of potential item-level biases and the need for careful interpretation of results.