Dataset: virtual_training.csv

Source: J.Jung and Y.J. Ahn (2018). "Effects of Interface on Procedural
Skill Transfer in Virtual Training: Lifeboat Launching Operation Study,"
Computer Animation & Virtual Worlds, Vol. 29, pp. e1812.
https://doi.org/10.1002/cav.1812

Description: Experiment training people the procedure to launch
a lifeboat. Response = Post-test precedural knowledge score.
Completely Randomized Design with 16 subjects/trt (64 total)
Treatments:
1: Lecture/Materials (Control)
2: Monitor/Keyboard
3: Head Monitor Display/Joypad
4: Head Monitor Display/Wearables
Data generated to preserve group means and SDs

Variable names
grp.trt
procKnow