It appears you don't have a PDF plugin for this browser. You can click here to download the reference manual.
2.3.3 by John T. Willse, 6 years ago
Browse source code at https://github.com/cran/CTT
Authors: John T. Willse
Documentation: PDF Manual
GPL (>= 2) license
Imported by CTTShiny, CTTvis, IRTShiny.
Depended on by CTTinShiny, subscore.
See at CRAN