“…To develop a reliable and valid instrument, well-known quality controls for the development of a measurement instrument, as described by DeVellis (2003), were applied (for similar approaches, see Netemeyer, Bearden, & Sharma, 2003;Crook, Shook, Morris, & Madden, 2010; for other applications of DeVellis' method, see Govindarajan & Kopalle, 2006;Tummers, 2012). We determined what we wanted to measure on the basis of the literature on (public) innovation, generated an item pool and determined the format for measurement.…”