This collection contains materials developed for the 2018 EARLI SIG 1 Summer School. This collection contains an overview PPT on psychometric analysis of test scores using classical test and item response theories. There is a demo data set and a tutorial document showing how the analyses can be conducted in R.
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Brown, Gavin T. L. (2018). IRT and CTT in R tutorial. The University of Auckland. Collection. https://doi.org/10.17608/k6.auckland.c.4198712.v1