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Scoring Methods in Script Concordance Tests: An Exploratory Psychometric Study.

Marie-France Deschênes, Marc-André Maheu-Cadotte, Guillaume Fontaine

    The Journal of Nursing Education
    |October 9, 2023
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    Summary

    This study examined five script concordance test (SCT) scoring methods for evaluating clinical reasoning in nursing. Results showed significant differences in scores based on the method, highlighting the need for further research in nursing assessment.

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    Area of Science:

    • Nursing Education
    • Clinical Reasoning Assessment

    Background:

    • Script concordance test (SCT) scoring methods are increasingly used for clinical reasoning evaluation.
    • Studies on SCT scoring methods in nursing are limited.
    • This research investigates the psychometric properties of five SCT scoring methods within a nursing context.

    Purpose of the Study:

    • To explore and compare the psychometric properties of five distinct SCT scoring methods.
    • To assess the impact of different scoring methods on the evaluation of clinical reasoning in nursing.

    Main Methods:

    • A script concordance test (SCT) was administered to 12 nursing experts and 43 learners.
    • Scores were computed using five different scoring methodologies.
    • Statistical analyses included descriptive statistics, Mann-Whitney U tests for group differences, and Spearman correlation coefficients to assess method agreement.

    Main Results:

    • Median scores varied significantly across the five scoring methods for both expert and learner groups.
    • Learners' scores were statistically lower than experts' scores across all tested methods (p < .01).
    • Spearman correlation coefficients between methods ranged from 0.44 to 0.95, indicating varying degrees of agreement.

    Conclusions:

    • The choice of SCT scoring method significantly influences the assessment of clinical reasoning in nursing.
    • Further investigation is required to determine the most effective SCT scoring methods for high-stakes nursing assessments.
    • Refining SCT scoring methods is crucial for reliable and valid certification of clinical reasoning skills in nursing practice.