Changes in version 2.0.2 (2023-08-23) - Minor documentation fix Changes in version 2.0.1 (2020-12-07) - Description of source file corrected in documentation - Minor documentation fixes Changes in version 2.0.0 (2020-11-26) - PISA 2015 data has been replaced by PISA 2018 data due to technical problems in the original data set (as published by OECD) - reproducible code for data preparation and selection based on the original scientific use files are now contained in the data-raw folder Changes in version 1.1.0 - Bug fix: RT columns now contain the raw response times and not log transformed response times. - Additional columns with log transformed response times have been added to the data sets. Changes in version 1.0.0 (2020-07-01) - Initial release on CRAN.