Schmidt, Jeffrey; Calantone, Roger; Griffin, Abbie; … - In: Marketing Letters 16 (2005) 2, pp. 129-141
The Total Design Method (TDM) of designing and implementing mail surveys has been shown to achieve high response rates. One key step in the TDM is sending a third-wave of surveys by certified mail. However, little research exists to verify the effectiveness of this step in improving response...
