Page 174 - Ebook_V01

Õ
5. ·Ó¡ÒÃÇÑ´â´ÂäÁ‹ãËŒ¼ÙŒ¶Ù¡ÇÑ´ÃÙŒµÑÇ àª‹¹ ¡ÒÃÈÖ¡ÉÒ»ÃÐÊÔ·¸ÔÀÒ¾¡ÒÃá»Ã§¿˜¹¢Í§¾èàÅÕé§ã¹
Èٹ¾Ñ²¹Òà´ç¡ ÍÒ¨·Ó¡ÒõÃǨἋ¹¤ÃÒº¨ØÅÔ¹·ÃՏã¹Çѹ·ÕèäÁ‹ä´Œá¨Œ§Å‹Ç§Ë¹ŒÒ

6. »ÃѺᵋ§à¤Ã×èͧÁ×ÍÇÑ´ãËŒÁÕ¤ÇÒÁ¶Ù¡µŒÍ§ÍÂÙ‹àÊÁÍ µÅÍ´ÃÐÂÐàÇÅÒ·Õè·Ó¡ÒÃÇÔ¨ÑÂ

¤ÇÒÁà·Õè§ (Reliability)

¤ÇÒÁà·Õè§ (Reliability) ËÃ×Í ¡ÒõÃǨ«íéÒ (reproducibility, repeatability) ËÁÒ¶֧

à¤Ã×èͧÁ×͹Ñé¹ÊÒÁÒö㪌ÇÑ´áÅŒÇÇÑ´ÍÕ¡ä´Œ¼ÅÊÍ´¤ÅŒÍ§¡Ñ¹ äÁ‹Ç‹Ò¨Ð㪌à¤Ã×èͧÁ×ͤ¹ÅЪش¡Ñ¹ ¼ÙŒµÃǨ

µ‹Ò§¤¹¡Ñ¹ µÅÍ´¨¹àÇÅÒáÅÐʶҹ·Õè·Õèᵡµ‹Ò§¡Ñ¹ ¶ŒÒ¼ÅÇÑ´«íéÒã¡ÅŒà¤Õ§ÁÒ¡ áÊ´§Ç‹Òà¤Ã×èͧÁ×͹Ñé¹

ÁÕ¤ÇÒÁàª×èͶ×Íä´ŒÁÒ¡ Ebel and Frishie, 1986 ãËŒ¤ÇÒÁËÁÒÂÇ‹Ò ¤ÇÒÁà·Õè§໚¹¤‹ÒÊÑÁ»ÃÐÊÔ·¸Ô ì

Ñ
ÊÑÁ¾¹¸ ÃÐËÇ‹Ò§¤Ðá¹¹ªØ´Ë¹Ö觡Ѻ¤Ðá¹¹ÍÕ¡ªØ´Ë¹Ö觢ͧà¤Ã×èͧÁ×ÍÇÑ´·ÕèÁÕÅѡɳÐàËÁ×͹¡Ñ¹ÊͧªØ´áÅÐ
໚¹ÍÔÊÃСѹ

¡ÒõÃǨÊͺ¤ÇÒÁà·Õè§

¡ÒõÃǨÊͺ¤ÇÒÁà·Õ觢ͧà¤Ã×èͧÁ×Í ÁÕËÅÒÂÇÔ¸Õ ¢Ö鹡ѺÇѵ¶Ø»ÃÐʧ¤ ÃٻẺ¢Í§à¤Ã×èͧÁ×Í

·Õè㪌 ã¹·Õè¹Õé䴌ẋ§Í͡໚¹ 4 »ÃÐàÀ· ¤×Í

1. ¡ÒÃËÒ¤ÇÒÁà·Õè§àªÔ§¤ÇÒÁ¤§·Õè (Stability Reliability)

2. ¡ÒÃËÒ¤ÇÒÁà·Õè§àªÔ§¤ÇÒÁ¤ÅŒÒ¡ѹ (Equivalent Reliability)

3. ¡ÒÃËÒ¤ÇÒÁà·Õè§àªÔ§¤ÇÒÁÊÍ´¤ÅŒÍ§ÀÒÂã¹ (Internal consistency)

4. ¡ÒÃÇÑ´¤ÇÒÁÊÍ´¤ÅŒÍ§ (Agreement)

162