Order or download a demo disk. David Likely's psychology-specific version of the old Hangman game. OPbox 1.2 - David Likely's Schedules of Reinforcement tutorial. It contains a collection of fully functional programs which are mainly parameter controlled and are able to run more than 100 different experiments from all areas of General Psychology. The programs are based on a C language library of many modules which support all necessary functions for psychological experiments, including data file management, parameter parsing, color graphics output, high precision timing, randomization and many others.
All experiments are available by anonymous file transfer.