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Summary: COMPUTER-AIDED INSTRUCTION
Douglas N. Arnold
I. Introduction
Computer-Aided Instruction (CAI), diverse and rapidly expanding
spectrum of computer technologies that assist the teaching and learning
process. CAI is also known as computer-assisted instruction. Examples
of CAI applications include guided drill and practice exercises,
computer visualization of complex objects, and computer-facilitated
communication between students and teachers. The number of computers in
American schools has risen from one for every 125 students in 1981 to
one for every nine students in 1996. While the United States leads the
world in the number of computers per school student, Western European
and Japanese schools are also highly computerized.
II. Types of CAI
Information that helps teach or encourages interaction can be presented
on computers in the form of text or in multimedia formats, which
include photographs, videos, animation, speech, and music. The guided
drill is a computer program that poses questions to students, returns
feedback, and selects additional questions based on the students'
responses. Recent guided drill systems incorporate the principles of
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