Which of the Following Is a Problem with the Use

Which of the following is a problem with the use test method of evaluating a new product?

A) Respondents may not use the product correctly, resulting in negative opinions.
B) Respondents may give distorted impressions since they were given free samples and are part of a test.
C) The decision environment of an actual purchase usually cannot be replicated, resulting in misleading results.
D) Repeat buying over a period of time usually cannot be assessed.
E) All of these are potential problems.