Page 175 - Ebook_V01
P. 175
1. ¡ÒÃËÒ¤ÇÒÁà·Õè§àªÔ§¤ÇÒÁ¤§·Õè (Stability Reliability)
¡ÒÃËÒ¤ÇÒÁà·Õè§ÇÔ¸Õ¹ÕéÁÕª×èÍÃÙŒ¨Ñ¡¡Ñ¹Ç‹Ò ÇÔ¸Õ·´Êͺ«íéÒ (Test retest method) ÇÔ¸Õ¡ÒèÐ
¹Óà¤Ã×èͧÁ×ÍÃǺÃÇÁ¢ŒÍÁÙÅ·Õ赌ͧ¡ÒÃËÒ àª‹¹ Ẻ·´ÊͺẺ»ÃÐàÁÔ¹¤‹Ò ẺÁÒµÃÇѴਵ¤µÔ ËÃ×Í
ẺÊͺ¶ÒÁã¹Ê‹Ç¹·ÕèãËŒ¤Ðṹ䴌价´Åͧ¡Ñº¡ÅØ‹ÁµÑÇÍ‹ҧ ¡ÅØ‹Áà´ÕÂǡѹáÅФ¹à´ÕÂǡѹ«íéÒÊͧ
¤ÃÑé§ã¹ª‹Ç§àÇÅÒ·Õèᵡµ‹Ò§¡Ñ¹¾ÍÊÁ¤Çà ¤ÃÑé§áááÅФÃÑé§ËÅѧãˌˋҧ¡Ñ¹äÁ‹¹ŒÍÂ¡Ç‹Ò 1 ÊÑ»´ÒË áÅŒÇ
¹Ó¤Ðá¹¹·Ñé§Êͧ¤ÃÑé§ÁÒËÒ¤‹ÒÊÑÁ»ÃÐÊÔ·¸ÔìÊËÊÑÁ¾Ñ¹¸¡Ñ¹´ŒÇÂ Ê¶ÔµÔ Pearson ¤‹Ò·Õèä´Œ¨Ð໚¹¤‹Ò¤ÇÒÁ
à·Õè§Ẻ¤ÇÒÁ¤§·Õè¢Í§à¤Ã×èͧÁ×ͪش¹Ñé¹ ã¹·Ò§Ê¶ÔµÔ ¤‹ÒÊÑÁ»ÃÐÊÔ·¸Ôì¤ÇÒÁàª×èÍÁÑ蹨ÐÁÕ¤‹ÒÍÂÙ‹ ÃÐËNjҧ
-1 ¶Ö§ +1 ÂÔ觤‹ÒÊÑÁ»ÃÐÊÔ·¸Ôì¤ÇÒÁàª×èÍÁÑè¹ÁÕ¤‹ÒࢌÒã¡ÅŒ +1 ÁÒ¡à·‹Òã´ áÊ´§ä´ŒÇ‹ÒẺ»ÃÐàÁÔ¹ÁÕ
¤ÇÒÁ¤§·Õè໚¹Í‹ҧÁÒ¡ â´Â·ÑèÇä»ãªŒà¡³±µÑÇàŢ㹡ÒÃá»Å¼Å ´Ñ§¹Õé¤×Í ¶ŒÒ¤‹ÒÊÑÁ»ÃÐÊÔ·¸Ô ì
ÊËÊÑÁ¾Ñ¹¸ÊÙ§¡Ç‹Ò 0.7 ËÁÒ¶֧ ¤ÇÒÁ¤§·ÕèÍÂÙ‹ã¹ÃдѺÂÍÁÃѺ䴌 áÅжŒÒ¤‹ÒÊÑÁ»ÃÐÊÔ·¸ÔìÊËÊÑÁ¾Ñ¹¸
ÁÕ¤‹ÒµÑé§áµ‹ 0.8 ¢Öé¹ä» ¨ÐËÁÒ¤ÇÒÁ¶Ö§ ¤ÇÒÁ¤§·ÕèÍÂÙ‹ã¹ÃдѺ·Õè´Õ (good)
µÑÇÍ‹ҧઋ¹ ¡Ò÷´Êͺ»ÃÐàÁÔ¹¼Å¤ÇÒÁࢌÒã¨ã¹àÃ×èͧ¡ÒôÙáÅÊØ¢ÀÒ¾ª‹Í§»Ò¡¢Í§à´ç¡¹Ñ¡àÃÕ¹
ÊÒÁÒö·Óä´Œ 2 ¤ÃÑé§ â´Â¡Ò÷´Êͺ¤ÃÑé§·ÕèÊͧ ˋҧ¨Ò¡¤ÃÑé§áá 1 ÊÑ»´ÒË áÅÐËÒ¤‹ÒÊÑÁ»ÃÐÊÔ·¸Ôì
ÊËÊÑÁ¾Ñ¹¸
µÒÃÒ§·Õè 4 áÊ´§µÑÇÍ‹ҧ¡Ò÷´Êͺ 2 ¤ÃÑé§ ¢Í§¹Ñ¡àÃÕ¹ 5 ¤¹
¤ÐṹẺ·´Êͺ A
¹Ñ¡àÃÕ¹
·´ÊͺÇѹ·Õè 1 Á¡ÃÒ¤Á 2560 ·´ÊͺÇѹ·Õè 8 Á¡ÃÒ¤Á 2560
¤¹·Õè 1 85 83
¤¹·Õè 2 75 77
¤¹·Õè 3 63 60
¤¹·Õè 4 59 57
¤¹·Õè 5 91 89
163