[R] recommended package/docs for analyzing multiple choice tests

[Chung-hong Chan]

Hello.

I think "Using R for psychology research" maybe useful for you.
http://www.personality-project.org/r/r.guide.html



On 9/19/07, Doug Holton <doug00 at gmail.com> wrote:
> Hi,
>   What package would you recommend for analyzing the
> validity/reliability of multiple choice tests.  Doing things such as
> classical test analysis, factor analysis, item response theory.
>
> I've used psychometric (item.exam), MiscPsycho (alpha.Summary), and ltm
> (rcor.test).  MiscPsycho reported the numbers most similar to what I get
> in SPSS: corrected point biserial correlations, cronbach's alpha.  I
> didn't understand what the psychometric package meant by its
> "discrimination" and "item reliability" numbers output by the item.exam
> function.  Perhaps the former is uncorrected point biserial
> correlations?  They were higher values.  I downloaded and inspected
> the source code for both packages.  It was hard to understand what the
> functions were doing without some comments in the code.
>
> Also, would you recommend a book or resource with examples of using R
> for test analysis.
>
> Thank you, it's been great learning R,
> -Doug
>
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-- 
CH Chan
Research Assistant - KWH
http://www.macgrass.com