Cognitive load while learning with a graphical computer interface

Abstract

Computer software packages are hard to learn but little is known about how to help new users. A study was made in which 30 learners had to learn the basic commands of a CAD software package using manuals with different formats of presentation of instructions. Ten learners learned using a conventional manual plus a computer, 10 learners learned using a manual with juxtaposed screen images but no computer and 10 learners learned using a manual with integrated screen images but no computer. Each learner was tested with a practical and a written test and the learning time was measured. There was no statistical difference between the groups of learners for the score of the practical and written tests. However, it was found that learners using a manual with juxtaposed or integrated screen images had learned twice as fast as learners using a conventional manual. The discussion questions the use of conventional manuals to learn application software and stress as the key role of the graphical environment in the learning process.