Accelerated program in elementary-school mathematics-the fourth year
COMPUTER-ASSISTED EDUCATIONAL RE SEARCH (CAER) 111
Of theoretical interest is the view of the CAER system as a Turing machine.
You will recall Turing (Naylor, Balintfy, Burdick, & Chu, 1966) posited that if a
machine were to respond to human questioning in a manner indistinguishable from
that of a human being, it might be said to possess intelligence. Analogously, we
might posit that if a machine were to produce data in
