When rating questions are used to measure attitudes or values in survey research a researcher might want to control for the effect of overall agreement with the set of items that is rated. The need for controlling for overall agreement arises when the set of items refers to conceptual opposite...

Protagonists of values theory such as Inglehart—among others—have argued that values should be conceived of as relative priorities rather than absolute preferences. As such they insist on using ranking techniques of measurement which generates choice data. In this study, we aim at validating...