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Validating the Functions of Identity Scale: addressing methodological and conceptual matters
Toni E Serafini1, Scott B Maitland
1Department of Family Relations and Applied Nutrition, University of Guelph. tserafini@uwaterloo.ca
Psychological Reports
|May 10, 2013
Summary
This study revised the Functions of Identity Scale, enhancing its Personal Control factor and confirming its validity. The improved scale offers strong psychometric properties for identity research.
Area of Science:
- Psychology
- Social Psychology
- Developmental Psychology
Background:
- Previous research has examined the Functions of Identity Scale's validity.
- Gaps in prior studies necessitated further investigation and refinement of the scale.
Purpose of the Study:
- To revise the Control subscale and establish its construct validity.
- To assess the structural validity of a five-factor model.
- To establish the external validity of the scale's subscales.
Main Methods:
- Confirmatory factor analysis (CFA) was utilized.
- The study involved 529 undergraduate students (422 female, 107 male) from two Ontario universities.
- Scale items were revised for clarity and readability.
Main Results:
- The revised five-factor measurement model demonstrated supported construct validity.
- A new Personal Control factor was established with confirmed construct validity.
- External validity for each subscale was confirmed, and readability was improved to a Grade 5.5 level.
Conclusions:
- The revised Functions of Identity Scale exhibits strong psychometric properties.
- Its rigorous validity testing and focus on identity formation make it a valuable tool.
- The scale's improved clarity and accessibility enhance its utility in identity research.
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