THIRTY STUDIES INVOLVING THE "SCIENTIFIC ATTITUDE INVENTORY": WHAT CONFIDENCE CAN WE HAVE IN THIS INSTRUMENT?

Professor Munby (1983) makes the assertion in his article that the conceptual validity of the SAI is, at best, suspect. With this point I must concur. Indeed, the author’s modification of Wilson’s (1 967) categorization of statement type to develop a conceptual analysis of the SAI is an intellectually creative and viable approach to examining the validity of an instrument. However, I believe that the legitimate issues and problems raised by the author’s scheme bring to light a more fundamental validity problem with much of the attitudinal research conducted in