TD Magazine Article ComputerAssisted Instruction For 35 An Hour CB By Catherine Breen 0 Comments Bookmark Main Site Sign in Page Don't have an ATD account? Don't have an ATD account? Forgot your Password? Already an ATD customer without a web account? Institutional subscriber? Click here to sign in. Share Member-Only Content Describes the principal criteria of computer-assisted instruction (CAI). Per-hour training cost; Tutor programming language; Spontaneous programming. You've reached ATD member-only content. Sign in below or join ATD to continue. Sign In