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Construct Validity of the Avian Model for Neonatal Laparoscopic Surgery Training
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DOI：10.1097/SLE.0000000000001407.png)
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Abstract
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Purpose:To validate the construct validity of the avian model, a cost-effective and realistic simulator using chicken cadavers for neonatal laparoscopic surgery training.Methods:Thirteen participants with varying experience levels (novices, residents, and seniors) performed laparoscopic suturing tasks on the avian model during a pediatric MIS course in Geneva. Performance was evaluated using a modified OSATS framework (specific and general scores).Results:The avian model significantly distinguished between skill levels: specific (P=0.024) and general (P=0.016) scores improved with experience. Execution time decreased accordingly (P=0.019). Interobserver agreement was high (kappa=0.87, kappa=0.84). Seniors outperformed novices and residents in all metrics.Conclusion:The avian model demonstrates strong construct validity and is effective in differentiating surgical skill levels. It offers a reliable, reproducible platform for pediatric laparoscopic training.
Keywords:
pediatric laparoscopic surgery
surgical training
avian model
construct validity
objective structured assessment of technical skills (OSATS)
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