Mots-clés Raisonnement clinique ; évaluation du raisonnement clinique ; expertise infirmière ; test de concordance de script ; détérioration clinique ; étude méthodologique * En accord avec les principes de la rédaction épicène, l'utilisation du genre féminin inclut le masculin en ce qui concerne les participants et les participantes de cette étude. Cela inclut les infirmières et les infirmiers, les étudiants et les étudiantes ainsi que les experts et les expertes. Le terme patient est employé au masculin et englobe les hommes et les femmes, sans préjudice au genre opposé. Method: A SCT with 22 scenarios and 88 items was developed then administered to 47 novice and 21 expert nurses. A Cronbach alpha coefficient was used to assess the internal consistency, a test-retest with 12 participants and temporal stability. Content validity was assessed using content validity index (CVI), discriminant validity, with the study of extreme groups. Results: After optimization, the SCT had 20 scenarios and 68 items. Cronbach's alpha of TCS was 0.76. The study of the temporal stability showed a moderate (r = 0.554; IC at 95% = 0.002, 0.847). The CVI of the SCT relevance and clarity was respectively 0.9952 and 0.9933. Novices' scores were lower than those of experts (p < 0.05). There was a significant positive linear relationship between the scores and clinical expertise (p < 0.05). Its overall appreciation is good. Conclusion: This study made available a standardized SCT to evaluate nurses' clinical reasoning in in-hospital situations of clinical deterioration.
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