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The comparison of prior and posterior probabilities for multiple choice situations

 

作者: D. Middleton,  

 

期刊: International Journal of Mathematical Education in Science and Technology  （Taylor Available online 1983）
卷期: Volume 14, issue 6  

页码: 729-731

 

ISSN:0020-739X

 

年代: 1983

 

DOI:10.1080/0020739830140610

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

If l alternative responses are provided for each of n equally‐weighted questions in a multiple‐choice examination, and the candidate correctly indicates t answers, the prior probability estimate of the number of answers actually known is given by (lt – n)/(l – 1), a result implicit in most assessment schemes.

 

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