%0 Generic %D 1984 %T Adaptive testing (Final Report Contract OPM-29-80) %A Trollip, S. R. %C Urbana-Champaign IL: University of Illinois, Aviation Research Laboratory %G eng %0 Generic %D 1982 %T An adaptive Private Pilot Certification Exam %A Trollip, S. R. %A Anderson, R. I. %C Aviation, Space, and Environmental Medicine %G eng