Quality insight: exponential decay of quality learning curves during COVID-19 lockdown Online publication date: Wed, 14-Oct-2020
by Adedeji Badiru
International Journal of Quality Engineering and Technology (IJQET), Vol. 8, No. 1, 2020
Abstract: This paper is presented as a quality-insight column designed to spark new research interest in computational views of how rapidly a learning curve declines during a period of prolonged interruption. Specifically, the paper considers the case of the worldwide COVID-19 lockdown that afflicted business, industry, academia, and government. As a result of being barred from practicing their respective functions, workers are prevented from the normal positive effects of being on a learning curve. Instead of performance improvement due to learning curves, there is performance degradation due to the lockdown. Although not enough live data is available yet for a direct modelling, the paper presents a postulated analytical framework that researchers can use later on for empirical modelling of the adverse impacts of the lockdown on learning curves. A decline in learning can translate to a decline in quality of work and quality of products. Mathematical methods suggested in the paper include exponential decay, hyperbolic decline, and half-life learning curves.
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