This study manipulated the timing and control of error feedback in problem solving and examined their effects on skill acquisition by 40 undergraduate students learning to program in the computer language Lisp under four error feedback conditions. These four conditions included two types of symbol-by-symbol feedback that vary in content, a…

This paper is a preliminary report of a pilot study done at the University of Northern Colorado in 1984 using PHOENIX, a mainframe computer based education (CBE) system in a teacher education program. The study deals with the instructional tutorial and a computer based test generation system related to those tutorials. Data on the physiological…