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1) „µ¦š—°„n°œÁ¦¸¥œ—oª¥Âš—°ª´ —Ÿ¨´¤§š›·ÍšµŠ„µ¦Á¦¸¥œÁ¦ºÉ°Š„µ¦³šo°œÂŠ
2) —εÁœ·œ„µ¦°œ˜µ¤ÂŸœ„µ¦‹´—„·‹„¦¦¤„µ¦Á¦¸¥œ¦¼o ‹Îµœªœ 2 Ÿœ Áž}œÁª¨µ 6 ´ÉªÃ¤Š
3) š—°®¨´ ŠÁ¦¸¥œÃ—¥Äo š—°ª´—Ÿ¨´¤§š›·ÍšµŠ„µ¦Á¦¸¥œŒ´Á—¸¥ª„´Âš—°„n°œÁ¦¸¥œ
4) ´¤£µ¬–rœ´ „Á¦¸¥œÁ„¸É¥ª„´ ‡ªµ¤¦¼o‡ªµ¤Á o µÄ‹š¸É™¼„˜o°ŠÂ¨³‡ªµ¤¡¹Š¡°Ä‹Äœ„µ¦Á¦¸¥œ °Šœ´„Á¦¸¥œ
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1) ª· Á‡¦µ³®r—´œ¸‡ªµ¤°—‡¨o°Š¦³®ªn µŠ‡Îµ™µ¤ °ŠÂš—°„´Ÿ¨„µ¦Á¦¸¥œ¦¼o š¸É‡µ—®ª´ŠÃ—¥Äo IOC
2) ª·Á‡¦µ³®ro°°¦µ¥ o° ‡Î µœª–®µ‡nµ‡ªµ¤¥µ„ Šn µ¥ (p) ‡nµ°Îµœµ‹‹ÎµÂœ„ (r) ¨³‡ªµ¤ÁºÉ°¤´É œ °Š
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3) ‡Îµœª–‡n µ™·˜·¡ºÊ œ“µœ Ánœ ¦o°¥¨³ ‡nµÁŒ¨¸É¥ ( x ) ¨³‡nµnªœÁ¸É¥ŠÁœ¤µ˜¦“µœ (S.D)
4) ‡Îµœª–®µ‡nµž¦³·š›·£µ¡ °Š» —„·‹„¦¦¤š¸ÉŸ¼oª·‹´¥¦oµŠÂ¨³¡´•œµ ¹Êœ˜µ¤Á„–”r¤µ˜¦“µœ 75 / 75
5) Áž¦¸ ¥Áš¸¥‡ªµ¤Â˜„˜n µŠ °Š‡³Âœœ„n°œÂ¨³®¨´ŠÁ¦¸¥œÃ—¥Äo (dependent t - test) ¨³ž¦³Á¤·œŸ¨
„µ¦Á¦¸ ¥œ¦¼oš¸ÉÁ¡·É¤ ¹Êœ °Šœ´„Á¦¸¥œÂª·Á‡¦µ³®r¦ª¤š´ÊŠ´ÊœÁ¦¸¥œ ¨³œ´„Á¦¸¥œ¦µ¥‡œ ץčo normalized Gain <g>
7) ª·Á‡¦µ³®r‡ªµ¤¡¹Š¡°Ä‹ °Šœ´„Á¦¸¥œ‹µ„´¤£µ¬–rœ´ „Á¦¸¥œ
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1) Ÿ¨„µ¦®µž¦³·š›·£µ¡ °Š»—„·‹„¦¦¤˜µ¤Á„–”r 75/75 Á¦ºÉ°Š„µ¦³šo°œÂŠ ¤¸¦µ¥¨³Á°¸¥——´Š˜µ¦µŠ
˜µ¦µŠš¸É 2 ž¦³·š›·£µ¡ °Š» —„·‹„¦¦¤ Á¦ºÉ°Š„µ¦³šo°œÂŠ
o°¤¼¨ ‡³Âœœ x S.D. ¦o°¥¨³
‡³Âœœ‹µ„»—„·‹„¦¦¤ 100 81.22 3.12 81.22
‡³Âœœ‹µ„š—° 32 25 2.45 78.13
‹µ„˜µ¦µŠš¸É 2 —Šªn µœ´„Á¦¸¥œÁ ¸¥œ¦µ¥Šµœ„µ¦š—¨°Š „·‹„¦¦¤ ¨³Â f„®´—Å—o™¼„˜o°ŠÁŒ¨¸É¥ ¦o°¥¨³
80.78 ¨³šÎµÂš—°ª´—Ÿ¨´¤§š›·ÍšµŠ„µ¦Á¦¸¥œÅ—o™¼„˜o °ŠÁŒ¨¸É¥ 78.13 Ž¹É Š¼Š„ªnµÁ„–”rš¸É˜´ÊŠÅªo
2) Ÿ¨„µ¦«¹„¬µ„µ¦¡´•œµ‡ªµ¤‡·—¦ª¥°—š¸É™¼„˜o °Š °Šœ´„Á¦¸¥œÁ¦ºÉ°Š„µ¦³šo°œÂŠ š´Ê Š´ÊœÂ¨³„µ¦
¡´•œµ‡ªµ¤‡·—¦ª¥°—¦µ¥»‡‡¨ Á¦ºÉ°Š„µ¦³šo°œÂŠ °Šœ´„Á¦¸¥œ‹Îµœªœ 8 ‡œ —Š—´Š£µ¡š¸É 1
£µ¡š¸É 1 —Š„µ¦Áž¦¸¥Áš¸¥¦³®ªnµŠ Ÿ¨„µ¦Á¦¸¥œ¦¼oš¸É Á¡·É¤ ¹Êœ‹¦·Š®¦º° actual gain (%<Gain>) ¨³ ‡³Âœœ
ÁŒ¨¸É¥¦o°¥¨³ °Š‡³Âœœ°„n °œÁ¦¸¥œ (%<Pre-test>) °Šœ´„Á¦¸¥œ ¨³ normalized gain (<g>) °Šœ´„Á¦¸¥œ
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