#888583
Surveys, which are used to collect firsthand data, have many advantages. One advantage is that
Варианты ответа:
  • those who respond to mailed or online surveys exactly represent the overall population
  • respondents can be relied on to respond openly and truthfully to anonymous surveys
  • data can be gathered economically and efficiently
  • return rates for online and mailed surveys are typically over 90 percent
Курсы в категории: Экономика и управление