From Wikipedia, the free encyclopedia. Learned helplessness is behavior typical of an organism (human or animal) that has endured repeated painful or otherwise aversive stimuli which it was unable to escape or avoid.merican psychologist Martin Seligman initiated research on learned helplessness in 1967 at the University of Pennsylvania as an extension of his interest in depression.(4)(5) This research was later expanded in experiments by Seligman and others.
Average Revenue per Sale-ARS. Average revenue per sale is the average value generated for each order transaction over a period of time. Declining ARS may indicate that a company is adding too many low value products to its portfolio or lower revenue generating customers to its customer base.verage revenue per sale is the average value generated for each order transaction over a period of time. Declining ARS may indicate that a company is adding too many low value products to its portfolio or lower revenue generating customers to its customer base.
Average per store selling area of supermarkets in the U.S. 2012-2014. Average per store selling area of supermarkets in the United States from 2012 to 2014 (in square feet). 1  Average weekly sales per square feet of supermarket stores in the U.S. 2012-2014 +.his statistic represents the leading U.S. retail stores by segment in 2012, based on the highest sales per square foot. With sales of 3,017 U.S. dollars per square foot, Tiffany & Co. topped the list in the luxury and accessories segment.