Metoda relativ ieftina de obtinere de date in studiul de cercetare de marketing; sondajele prin posta au o eroare minima de masurare, dar necesita destul de mult efort, iar rata de raspuns este in general mica.
A relatively inexpensive method of obtaining data in a marketing research study; mail surveys keep interviewer bias to a minimum, but they require considerable time to conduct and response rates are generally low.
