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رد: هنـــــا المراجعه الاخيرة طرق البحث والتصميم
1- Much language research is not experimental ,it is cause and effect can be…. a- Conceal b- Demonstrated c- Hide 2- If you choose only people in their twenties for a study comparing men and women, That means You ………………… a- Control variables b- Eliminating the age variation factor c- All of the above
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