GRE作文分类模板之调查类作文范文
Unle the urveyor ampled a ufficient number of and did o randomly acro the entire pectrum, the reult are not reliable to gauge generally. The number of repondent, in itelf, doe not enure repreentativene. For example, if the ample included only , . Or if the groe are coniderable, would account for only a little percentage, which would render the reult of the urvey meaningle.
We are not informed whether the urvey repone are anonymou, even confidential. If they were not, the reult of the urvey would give no upport to the author point.
What more, the urveyor mut be the cro-bencher/nonaligned, which wa not mentioned a well.
The validity of the tudy i doubtful. Lacking information about and the number of repondent, it i impoible to acce the validity of the reult. If, for intance, 200 profeor were urveyed but only 2 reponded, the concluion that would be highly upect. Becaue the letter offer no evidence that would rule out thee interpretation, the reult of the tudy are inufficient to upport the concluion.
Unle the urveyor ampled a ufficient number of and did o randomly acro the entire pectrum, the reult are not reliable to gauge generally. We are not informed whether the tudy repone are anonymou, even confidential. If they were not, the reult of the urvey would give no upport to the author point. What more, the tudy conductor mut be a cro-bencher, which wa not mentioned either. Thu, the validity of the tudy i highly doubtful.[由wwW.HaoZuoWen.com整理]