Table 1 A list of items on the Achievement Motive Index for Medical Treatment

Achievement Motivation Derived from Other (AMO)

 Q1: It’s important to strive for advanced medical care.

 Q2: I want to be treated at a noted hospital.

 Q3: Selecting a therapy grounded in medicine is important.

 Q4: I’d be happy to receive better-than-average care.

 Q5 If treatment works well, that means living longer.

Self-derived Achievement Motivation (AMS)

 Q6: I want to make the best decision for me.

 Q7: I should be convinced with various things that matter.

 Q8: It’s important for me to follow my heart rather than to trouble myself with the ideas of others.

 Q9: Even if several therapies are available, I want to find the one that’s preferable for me.

 Q10: I want to express my wishes, even if it’s something that’s not very significant.