can someone please help me with the interpretation of this stuff

[kenneth Collins]

perceptual efficiency:

http://www.healthscout.com/cgi-bin/WebObjects/Af.woa/15/wo/ss3000oA0006p200g6/0.0.7.5.4.1.0.13.0.1.5.3

"As they learn _ they had more right answers, but their consistency was
exactly the same."

i've read the stuff at the correlated web site. at this point, i don't
'get-it.

if anyone can clarify, please do.

Thanks, ken