Actors who come to the Orpheus Group Casting for auditions often feel that they could have accurately predicted the outcome of their audition after the outcome was already known. This belief is known as . a escalation of commitment

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.