تبلیغات
Case Method in Healthcare Operational Research Education - روش های وزن دادن
شنبه 31 اردیبهشت 1390  11:55 ق.ظ
نوع مطلب: (جلسه13 ،) توسط: امین ترابی

روشهای وزن دادن:

اگر  مساله یك هدفه اگر صفر باشد یعنی هیچ ارزشی ندارد.

وزن هر چه بیشتر باشد بهتر است چون ارجحیت را می سنجیم در هر شرایطی سود هزینه

وزن یعنی اهمیتش را برای ما بیشتر است.                           

25-20 روش وارد

1) روش رتبه بندی

2) روش مقایسات زوجی: مقایسه دو به دو گزینه ها مثلا برای خرید تجهیزات

ترجیح و عدم ترجیح

ترجیح و عدم ترجیح و میزان ترجیح چه قدر؟

محاسبه وزن بر مبنای روش رتبه بندی

وزن دهی همیشه در شرایط صورت میگیرد كه چند گزینه داریم.

ارج

آزمایش

هیمالیا

گزینه ها

 

مثلا می خواهیم ببینیم درجه چند است؟ چه كسی باید تشخیص دهد؟ متخصص پس به تعدادی خبره احتیاج داریم.

خبره  1) سواد                2) تجربه

خبره: داور ارزیاب مثلاً 30 تا

تعداد رتبه ها را باید مشخص كنیم  مثلا 5 رتبه داریم (این كاری است كه به عنوان محقق باید آماده كنیم.)

 

درجه 1

درجه 2

درجه 3

درجه 4

درجه 5

ارج

آزمایش

هیمالیا

10

5

4

15

10

10

5

15

16

0

5

0

0

0

0

كدام بهتر است؟

مقیاس ترتیبی است پس عملیات ریاضی نمی توانیم انجام دهیم.


  • آخرین ویرایش:پنجشنبه 19 خرداد 1390
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