The hardware and bandwidth for this mirror is donated by METANET, the Webhosting and Full Service-Cloud Provider.
If you wish to report a bug, or if you are interested in having us mirror your free-software or open-source project, please feel free to contact us at mirror[@]metanet.ch.
A collection of common test and item analyses from a classical test theory (CTT) framework. Analyses can be applied to both dichotomous and polytomous data. Functions provide reliability analyses (alpha), item statistics, disctractor analyses, disattenuated correlations, scoring routines, and empirical ICCs.
| Version: | 2.3.3 |
| Published: | 2018-09-12 |
| DOI: | 10.32614/CRAN.package.CTT |
| Author: | John T. Willse |
| Maintainer: | John T. Willse <willse at uncg.edu> |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| NeedsCompilation: | no |
| In views: | Psychometrics |
| CRAN checks: | CTT results |
| Reference manual: | CTT.pdf |
| Package source: | CTT_2.3.3.tar.gz |
| Windows binaries: | r-devel: CTT_2.3.3.zip, r-release: CTT_2.3.3.zip, r-oldrel: CTT_2.3.3.zip |
| macOS binaries: | r-release (arm64): CTT_2.3.3.tgz, r-oldrel (arm64): CTT_2.3.3.tgz, r-release (x86_64): CTT_2.3.3.tgz, r-oldrel (x86_64): CTT_2.3.3.tgz |
| Old sources: | CTT archive |
| Reverse depends: | CTTinShiny, subscore |
| Reverse imports: | CTTShiny, CTTvis, IRTShiny |
Please use the canonical form https://CRAN.R-project.org/package=CTT to link to this page.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.