The key to using expert opinion to help in forecasting demand is _____, that is, comparing estimates produced by different sources. International Marketing Chapter 8 The key to using expert opinion to help in forecasting demand is _____, that is, comparing estimates produced by different sources.A. indemnificationB. simulationC. morphingD. modelingE. triangulationAnswer: E. triangulation Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+