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    Area of Science:

    • Psycholinguistics
    • Educational Measurement
    • Cognitive Psychology

    Background:

    • Synonym tasks are common in language assessment and cognitive research.
    • Understanding the underlying cognitive components of these tasks is crucial for accurate measurement.
    • Previous research has not fully delineated the distinct processes involved in synonym generation and evaluation.

    Purpose of the Study:

    • To investigate the componential structure of open synonym tasks.
    • To test the hypothesis that synonym tasks comprise separate generation and evaluation components.
    • To model these components using Item Response Theory (IRT).

    Main Methods:

    • Utilized confirmatory multidimensional two-parameter IRT models.
    • Developed two subtasks to isolate synonym generation and evaluation.
    • Estimated various confirmatory models using TESTMAP and NOHARM software.

    Main Results:

    • The componential hypothesis was supported, indicating distinct generation and evaluation processes.
    • The generation subtask showed some overlap with evaluation processes.
    • A high correlation was observed between the generation and evaluation components.

    Conclusions:

    • Synonym tasks can be decomposed into generation and evaluation components.
    • These components are not entirely independent, suggesting cognitive overlap.
    • The findings have implications for designing and interpreting synonym-based assessments.