By |Published On: May 11th, 2013|Categories: Behavioral Finance|

Experience with a computerized interactive protocol system using HELP

  • Cannon, S. R., & Gardner, R. M.
  • Computers in Biomedical Research,13, 399-409.
  • A version of the paper can be found here.
  • Want a summary of academic papers with alpha? Check out our free Academic Alpha Database!

Abstract:

A computerized, interactive audit and decision making system based on the HELP system is proposed for non-physician providers in ambulatory health care. Four protocols were implemented: upper respiratory-ear, nose, and throat; urinary tract infection; chronic hypertension; and chronic diabetes. Two physicians’ assistants used the system for 175 patient encounters. Data entry error rates (1%) were significantly less than those of paper protocols, For the upper respiratory, ear, nose, and throat protocol, I I percent of the encounters resulted in physician referrals with one false-negative and four false-positive decisions. False-positive antibiotic therapy decisions by assistants were safely reduced. Patient acceptance of the automated self-history was good. No alienation of the assistants was noted. Less than two minutes per patient terminal time was required by the assistants.

Results:

The authors study paper-based protocol tools vs. computerized protocol tools. Paper-based protocols are fixed, prone to human error, and alienate physician assistants. Computer-based protocol algorithms are dynamic, more sophisticated, and more accruate (PA alienation is still an issue–ie, “What, a computer can do my job?”) . An example computerized logic system that tells PAs what to do:

procal

Prediction Highlight:

There isn’t much in this paper about comparing human vs computer predictions. This is a paper more focused on showing that integrating computers into the decision making process makes human more efficient and accurate. However, this is one table comparing antibiotic treatment decisions by the humans and the machine. In the words of the authors:

In comparing the decisions to perform a throat culture with the actual culture outcomes (Table II), a slightly higher success rate was noted from the computerized protocol.

Cannon_Gardner_1980

Strategy Summary:

The use of computerized algorithms increases efficiency and efficacy.

Thoughts on the paper?

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About the Author: Wesley Gray, PhD

Wesley Gray, PhD
After serving as a Captain in the United States Marine Corps, Dr. Gray earned an MBA and a PhD in finance from the University of Chicago where he studied under Nobel Prize Winner Eugene Fama. Next, Wes took an academic job in his wife’s hometown of Philadelphia and worked as a finance professor at Drexel University. Dr. Gray’s interest in bridging the research gap between academia and industry led him to found Alpha Architect, an asset management firm dedicated to an impact mission of empowering investors through education. He is a contributor to multiple industry publications and regularly speaks to professional investor groups across the country. Wes has published multiple academic papers and four books, including Embedded (Naval Institute Press, 2009), Quantitative Value (Wiley, 2012), DIY Financial Advisor (Wiley, 2015), and Quantitative Momentum (Wiley, 2016). Dr. Gray currently resides in Palmas Del Mar Puerto Rico with his wife and three children. He recently finished the Leadville 100 ultramarathon race and promises to make better life decisions in the future.

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