ϭϬϱ 4 CORPUS STUDY: EFFECTIVENESS ƉƉĞŶĚŝdž ͘ ŝīĞƌĞŶĐĞƐ ŝŶ ŽƵƚĐŽŵĞƐ ďĞƚǁĞĞŶ ŝŶƚĞƌǀĞŶƟŽŶ ĂŶĚ ĐŽŶƚƌŽů ŐƌŽƵƉ ŽǀĞƌ ϭϮ ŵŽŶƚŚƐ͕ ƉĞƌ ƐƵďŐƌŽƵƉ ͚ ƐŽŵĂƟĐ ƐLJŵƉƚŽŵ ƐĞǀĞƌŝƚLJ͛ ;ďĂƐĞĚ ŽŶ W,YͲϭϱ ƐĐŽƌĞƐ͘ Ϳ DŽĚĞƌĂƚĞPSSŐƌŽƵƉ PSCͲϭ PSCͲϮ PSCͲϯ ^ŽŵĂƚŝƐĂƚŝŽŶ ŝƐƚƌĞƐƐ ĞƉƌĞƐƐŝŽŶ ŶdžŝĞƚLJ ^ĞǀĞƌŝƚLJ ƐLJŵƉƚŽŵƐ / ^ ƚŽƚĂů ,ĞĂůƚŚ ƌĞůĂƚĞĚ ĂŶdžŝĞƚLJ /ůůŶĞƐƐ ďĞŚĂǀŝŽƵƌ ϵϱй CI pͲvalue Ͳϭ͘ ϳϴ ƚŽ ͲϬ͘ Ϭϯ Ϭ͘ ϬϰϮΎ ͲϬ͘ ϵϳ ƚŽ Ϭ͘ ϳϲ Ϭ͘ϴϭ Ͳϭ͘ ϰϱ ƚŽ Ϭ͘ ϲϯ Ϭ͘ϰϰ ͲϮ͘ Ϯϱ ƚŽ Ϭ͘ ϲϭ Ϭ͘Ϯϲ ͲϮ͘ ϲϲ ƚŽ Ϭ͘ ϵϴ Ϭ͘ϯϲ Ͳϭ͘ ϬϬ ƚŽ Ϭ͘ ϯϯ Ϭ͘ϯϮ Ͳϭ͘ ϭϲ ƚŽ Ϭ͘ ϰϵ Ϭ͘ϰϮ Ͳϭ͘ Ϭϳ ƚŽ Ϭ͘ ϱϮ Ϭ͘ϱϬ Ͳϳ͘ ϮϬ ƚŽ ͲϬ͘ ϴϱ Ϭ͘ ϬϭϰΎ Ͳϱ͘ ϲϴ ƚŽ Ͳϭ͘ ϯϲ Ϭ͘ ϬϬϮΎ Ͳϭ͘ ϲϮ ƚŽ Ϭ͘ ϳϭ Ϭ͘ϰϰ Ͳϴ Ͳ7 ͲϲͲϱͲϰͲϯͲϮͲϭ Ϭ ϭ Ϯ ϯ ϰ ϱ ϲ DĞĂŶ ĚŝĨĨĞƌĞŶĐĞƐ ǁŝƚŚ ϵϱйCI ^ĞǀĞƌĞPSSŐƌŽƵƉ PSCͲϭ PSCͲϮ PSCͲϯ ^ŽŵĂƚŝƐĂƚŝŽŶ ŝƐƚƌĞƐƐ ĞƉƌĞƐƐŝŽŶ ŶdžŝĞƚLJ ^ĞǀĞƌŝƚLJ ƐLJŵƉƚŽŵƐ / ^ ƚŽƚĂů ,ĞĂůƚŚ ƌĞůĂƚĞĚ ĂŶdžŝĞƚLJ /ůůŶĞƐƐ ďĞŚĂǀŝŽƵƌ ϵϱй CI pͲvalue ͲϬ͘ ϱϯ ƚŽ ϭ͘ ϭϴ Ϭ͘ϰϱ ͲϬ͘ ϱϱ ƚŽ ϭ͘ ϯϮ Ϭ͘ϰϮ Ͳϭ͘ ϭϮ ƚŽ Ϭ͘ ϵϱ Ϭ͘ϴϳ ͲϮ͘ ϳϯ ƚŽ ϭ͘ ϭϰ Ϭ͘ϰϮ Ͳϯ͘ ϯϬ ƚŽ ϭ͘ ϵϲ Ϭ͘ϲϭ Ͳϭ͘ ϭϲ ƚŽ ϭ͘ Ϭϯ Ϭ͘ϵϭ ͲϮ͘ ϯϲ ƚŽ ϭ͘ ϮϮ Ϭ͘ϱϯ ͲϬ͘ ϳϳ ƚŽ Ϭ͘ ϴϰ Ϭ͘ϵϯ Ͳϰ͘ ϭϯ ƚŽ ϱ͘ ϭϳ Ϭ͘ϴϮ Ͳϯ͘ ϮϬ ƚŽ ϯ͘ Ϭϳ Ϭ͘ϵϳ ͲϬ͘ ϲϭ ƚŽ Ϯ͘ ϰϭ Ϭ͘Ϯϰ Ͳϴ Ͳ7 ͲϲͲϱͲϰͲϯͲϮͲϭ Ϭ ϭ Ϯ ϯ ϰ ϱ ϲ DĞĂŶ ĚŝĨĨĞƌĞŶĐĞƐ ǁŝƚŚ ϵϱйCI KƵƚĐŽŵĞ ŵĞĂƐƵƌĞƐ KƵƚĐŽŵĞ ŵĞĂƐƵƌĞƐ ƐĐŽƌĞƐ͗ ϭϰͲϯϬ͘ EĞŐĂƟǀĞ ǀĂůƵĞƐ ƌĞƉƌĞƐĞŶƚ ŝŵƉƌŽǀĞŵĞŶƚ͘ W^ с WĂƟĞŶƚ ƐƉĞĐŝĮĐ ĐŽŵƉůĂŝŶƚ ŝŶƐƚƌƵŵĞŶƚ͖ / ^ с /ůůŶĞƐƐ ƫƚƵĚĞ ^ĐĂůĞ͘
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