Table 5.

Key steps to developing and validating new knowledge scales for the multidimensional measure of informed choice

Steps	Techniques used
Design informational material for participants	Use content expertise and any relevant guidelines, literature or needs assessment
Design knowledge questions	Reflect the informational material and concept areas
Select scale items	Delphi Technique (content validity) Cronbach's alpha (internal consistency)
Establish validity and reliability of the scale	Factor analysis (construct validity)