Page 188 - Ebook_V01
P. 188
¡ÒûÃѺÁҵðҹã¹ÃÐËÇ‹Ò§¼ÙŒµÃǨ (Inter-examiner calibration) ·Óä´Œâ´ÂãËŒ¼ÙŒµÃǨ
·Ø¡¤¹µÃǨµÑÇÍ‹ҧªØ´à´ÕÂǡѹ»ÃÐÁÒ³ 20 ¤¹áÅÐà»ÃÕºà·Õº¼Å¡ÒõÃǨ ËÒ¡ä´Œ¼ÅµÃ§¡Ñ¹äÁ‹
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1. ¡ÒÃàµÃÕÂÁµÑÇ´ŒÒ¹ÇÔªÒ¡ÒÃ
1.1 ÈÖ¡ÉҴѪ¹Õ·Ø¡´Ñª¹Õ·Õè㪌¨Ò¡¤Ù‹Á×Í ãˌࢌÒã¨Çѵ¶Ø»ÃÐʧ¤à¡³±¡ÒõÃǨ áÅФÇÒÁËÁÒÂ
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¹Õ鶌ÒÁÕ¡Òõ¡Å§àÃ×èͧã´à¾ÔèÁàµÔÁ¨Ò¡¤Ù‹Á×Í µŒÍ§ºÑ¹·Ö¡änj໚¹ÅÒÂÅѡɳÍÑ¡É÷ء¤ÃÑé§
1.2 ÈÖ¡ÉÒÇÔ¸Õ¡ÒÃŧÃËÑÊã¹áººµÃǨ 䴌ᡋ¡ÒõÃǨÊͺ¤ÇÒÁ໚¹ä»ä´Œ¢Í§ÃËÑÊ ÅӴѺ
¡‹Í¹ËÅѧ¢Í§¡ÒÃŧÃËÑÊ ¡ÒÃà¢Õ¹µÑÇàÅ¢µÑÇÍÑ¡ÉÃãËŒªÑ´à¨¹ ໚¹µŒ¹
2. ¡Òýƒ¡»¯ÔºÑµÔ
3. ¤Ó¹Ç³
3.1 ¤ÇÒÁàËÁ×͹¢Í§¡ÒõÃǨ«íéÒ (Agreement) â´Â¼ÙŒµÃǨ¤¹à´ÕÂǡѹ
(intra examinationcalibration) ÁÕ2 ÇÔ¸Õ¤×Í
3.1.1 ÃŒÍÂÅТͧ¤ÇÒÁàËÁ×͹ (Percent agreement)
% agreement = (observed agreement/N) * 100
ࡳ±·ÕèÂÍÁÃѺ¤×Í ÃŒÍÂÅÐ 80 ¢Öé¹ä»
3.1.2 ¤‹Ò᤻»Ò (Kappa)
K = (observed agreement - expected agreement)
(1- expected agreement)
176
