Unisys Corporation conducts international marketing research in different countries, such as China, Japan and African countries involving measuring marketing concepts, tools and perspectives. Which of the following types of problems is likely to affect the accuracy and relevance of the measures of marketing practices in the various countries Question 36 options:

differences in the interpretation of the meaning of marketing concepts
differences in the use of measurement scales or scaler equivalence.
differences in language or linguistic equivalence all of the above
none of the above