[转载] thoughts about CTT/IRT# Education - 教育学
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【 以下文字转载自 Psychology 讨论区 】
【 原文由 ARIMA 所发表 】
Educational measurement is quite different from psychological measurement (in
a strict sense) both in theory and in pratice. The state testing program that
I've worked on has a routine sample size of 30,000 for each form of the test
in each administration. And think about the SAT or tests made at ETS, while a
typical social psychological experiment in JPSP has a sample size that's
roughly 1% of a typical state testing program.
CTT and IRT are compli
【 原文由 ARIMA 所发表 】
Educational measurement is quite different from psychological measurement (in
a strict sense) both in theory and in pratice. The state testing program that
I've worked on has a routine sample size of 30,000 for each form of the test
in each administration. And think about the SAT or tests made at ETS, while a
typical social psychological experiment in JPSP has a sample size that's
roughly 1% of a typical state testing program.
CTT and IRT are compli