A development of an objective structured clinical examination in performance assessment for Advance emergency medical technician


  • Nuchpiya Thongchot Naval Medical Department


Performance assessment, Objective structured clinical examination, Advance emergency medical technician student


To develop a performance procedure to assess clinical skills for Advance emergency medical technician (AEMT) students. This study aimed to develop and validate structured clinical examination (OSCE). This study modified the logical development steps proposed to incorporate the following four steps: 1) blueprints and mapping 2) scenario development 3) examiner training 4) validity and reliability testing. An OSCE of 3 situations of 10 min each were adopted. A sample consisted of 20 AEMT students from Naval operational medical school.

The results were summarized as follows: 1. Item-level analyses 1) Task difficulty index in rater 1 of situation 1, 2, 3 were 0.69, 0.71, 0.69 and rater 2 of situation 1, 2, 3 were 0.70, 0.73, 0.69. 2) Discrimination index in rater 1 of situation 1, 2, 3 were 0.74, 0.26, 0.74 and rater 2 of situation 1, 2, 3 were 0.74, 0, 0.38. 2.Test level analysis 1) Item Objective Congruence: IOC was 0.66 2) Inter-rater reliability by Pearson product-moment correlation coefficient of situation 1, 2, 3 were 0.88, 0.98, 0.97 and use Generalizability Coefficient (G-coefficient) PXSXR design were G-coefficient for relative decision ( gif.latex?\rho^ gif.latex?\delta2)  were 0.49 and G-coefficient for absolute decision ( gif.latex?\rho^gif.latex?\Delta2)  were 0.48. To keep reliability less than 0.7, then use rater five persons in the test.


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