The National Quality Research Center ('NQRC') at the Stephen M. Ross School of Business, University of Michigan, is a research and teaching center focusing on the measurement of customer satisfaction and the study of its relationships to quality, customer retention, and other variables, for both private and public sector organizations, and for national economies. First and foremost, the NQRC is responsible for the production of the American Customer Satisfaction Index (ACSI) as well as most of the research done using ACSI data.[1]
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Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction