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Applying the Nominal Response Model Within a Longitudinal Framework to Construct the Positive Family Relationships
Kathleen Suzanne Johnson Preston1, Skye N Parral1, Allen W Gottfried1
1California State University, Fullerton, CA, USA.
Educational and Psychological Measurement
|May 26, 2018
Summary
Researchers developed the Positive Family Relationships scale using item response theory. This scale, built from longitudinal data of children aged 9-17, offers age-customized measures for better family relationship assessment.
Area of Science:
- Psychometrics
- Developmental Psychology
- Family Studies
Background:
- Assessing positive family relationships is crucial for child development.
- Existing measures may lack age-specific nuances for longitudinal studies.
- Longitudinal data collection offers unique insights into developmental trajectories.
Purpose of the Study:
- To construct and validate the Positive Family Relationships scale.
- To utilize item response theory for psychometric analysis.
- To develop an age-customized, longitudinally applicable measure of family dynamics.
Main Methods:
- Psychometric analysis using the nominal response model (NRM) within item response theory (IRT).
- Longitudinal data from the Fullerton Longitudinal Study (children aged 9-17 years).
- Application of test equating methods across nine annual assessments over 8 years.
Main Results:
- Successful construction of the Positive Family Relationships scale.
- Identification of age-customized items with discriminating response categories via NRM.
- Demonstration of innovative test equating for a psychological construct across a longitudinal study.
Conclusions:
- The Positive Family Relationships scale provides a psychometrically sound, age-specific measure.
- The study highlights the utility of IRT and test equating in longitudinal research.
- Further validity studies are recommended to enhance the scale's application.
Keywords:
Positive Family Relationships scaleitem response theorylongitudinal researchnominal response modelscale constructionMore Related Videos
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