Variety of training models are used in large retail organizations in South Carolina. Large retail organizations have leaders educating their employees using multiple methods of training without regard as to how adults learn. Leadership of large retail organizations in South Carolina may be investing in training materials, concepts, and facilitation methods that may not have substantive impact on known performance metrics. Knowles' theory of andragogy has been at the forefront of adult education theory as it has led many researchers to explore new methods for adults to learn effectively. A quasi-experimental study was designed to determine if an andragogy based training models have influenced performance of employees measured by existing performance indicators. The data were collected from a t sample of 715 employees before and after an andragogy style training was administered. The data analysis, using paired t-test. showed significant variance in all three dependent variable metrics. Sales and credit card percent to goal metrics showed negative variance and item locate metric showed a positive variance thus providing quantifiable data from andragogy-style training. This study addressed the gap in the literature regarding the effectiveness of training adults using adult-learner methods and has the potential to contribute to positive social change by affecting the culture of how employers in large retail organizations are training their employees. Management for large retail organizations could find a higher return on investment the training as well as increased morale; while increasing retailer profits and potentially increasing career advancement opportunities and merit increases.