Abstract
The first stage in the research reported here was to teach students the mechanics of how to use a computer-based Teletype as a “desk calculator” in the solution of arithmetic problems. In the second stage, we examined a specific use for the desk-calculator program: we presented a series of word problems to the students and analyzed the solutions of these problems to determine the variables related to problem difficulty.
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Loftus, E, J. F. An analysis of the structural variables that determine problem solving difficulty on a computer-based Teletype, Technical Report No. 182, December 18, 1970, Stanford University, Institute for Mathematical Studies in the Social Sciences.
Suppes, P., Loftus, E. F., & Jerman, M. Problem-solving on a computer-based Teletype. Educational Studies in Mathematics, 1969, 2, 1–15.
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Loftus, E.F. Teaching young children how to use a computer-based Teletype as a “desk calculator”. Behav. Res. Meth. & Instru. 5, 204–208 (1973). https://doi.org/10.3758/BF03200165
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DOI: https://doi.org/10.3758/BF03200165