For which products did it take the shortest time to reach 90 percent substitution?

Loft Industries sells roof trusses to contractors and builders and is currently looking for honest feedback on its services. However, in the past, most of its efforts to procure feedback from customers did not yield any meaningful data. According to the marketing managers of Loft Industries, feedback was more polite than honest. Which of the following contact methods should Loft Industries most likely use to maximize its chances of receiving honest and impersonal feedback?

A) online focus groups B) telephone interviews C) mail questionnaires D) group interviews E) personal interviews

Slides are perfect for every presentation

Indicate whether the statement is true or false