10.17608/k6.auckland.6967466.v2 Gavin T. L. Brown Gavin T. L. Brown Score calculation models: CTT and IRT The University of Auckland 2018 classical test theory item response theory psychometrics test analysis Educational Psychology Education Econometric and Statistical Methods 2018-08-28 08:40:28 Presentation https://auckland.figshare.com/articles/presentation/Score_calculation_models_CTT_and_IRT/6967466 This presentation was given at the 2018 EARLI SIG 1 Summer School in Finland Helsinki. It provides conceptual background information necessary to carry out classical test and item response theory analyses.