Conway is one of the largest retail companies that sell women's clothing in the US. The company recently held its annual conference in Miami, where members of all regional divisions were invited. Since the company is vast and rarely finds all its employees together in such a manner, it used this opportunity to present to them specific ideas they had regarding various aspects of its operations. Large meetings with each regional team were held to provide them with information about the proposed changes and to obtain their anonymous votes through computers. This procedure helped the company speed up decision-making and consolidate results immediately. Which of the following group decision techniques did Conway use here? reference groups approach electronic meeting approach nominal groups approach brainstorming approach interacting approach