Studies in the Human Use of Controlled English

Report No. ARL-RP-0561
Authors: David Mott; Erin Zaroukian
Date/Pages: December 2015; 14 pages
Abstract: Controlled English (CE) is intended to aid human problem solving processes when analysing data and generating high-value conclusions in collaboration with computer systems. It is therefore important to evaluate the use of CE by human users when performing such problem solving. This paper describes two different approaches to such an evaluation. The first approach is anonymous online experimentation, where the participant sees the simultaneous presentation of a visual diagram of a particular state of affairs (or "ground truth") and a CE rule, and determines whether the rule corresponds to the state of affairs. The second approach is to guide a user face-to-face to formulate free English sentences into CE to solve a logic problem. The paper describes both approaches and provides an informal analysis of the results to date.
Distribution: Approved for public release
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Last Update / Reviewed: December 1, 2015