A form of unionism in which there are clearly defined roles where management makes all business decisions while the union negotiates strict work rules to determine wages and job rights through the collective bargaining agreement is called:

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.