E.J. (Ted) Hannan

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Foreign language learners typically experience considerable anxiety about taking listening tests. This study investigated how four forms of listening support (pre-teaching of content and vocabulary, question preview, and repeated input) affect the anxiety levels of college students in Taiwan taking a multiple-choice achievement test, which counts for their final grade in a required listening co...

Sampled Fictitious Play is Hannan Consistent

Fictitious play is a simple and widely studied adaptive heuristic for playing repeated games. It is well known that fictitious play fails to be Hannan consistent. Several variants of fictitious play including regret matching, generalized regret matching and smooth fictitious play, are known to be Hannan consistent. In this note, we consider sampled fictitious play: at each round, the player sam...

Turbine Engine Diagnostics (TED)

expert system to aid the M1 Abrams tank mechanic find-and-fix problems in the AGT-1500 turbine engine. TED was designed to provide the apprentice mechanic with the ability to diagnose and repair the turbine engine like an expert mechanic. The expert system was designed and built by the U.S. Army Research Laboratory and the U.S. Army Ordnance Center and School. This article discusses the relevan...

Farmer Ted Goes Natural

We’ve all been given a problem in a calculus class remarkably similar to the following one: Farmer Ted is building a chicken coop. He decides he can spare 190 square feet of his land for the coop, which will be built in the shape of a rectangle. Being a practical man, Farmer Ted wants to spend as little as possible on the chicken wire for the fence. What dimensions should he make the chicken co...