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Table 3 Measuring the salient beliefs underlying attitudes, perceived normative pressure and self-efficacy

From: Adjuncts or adversaries to shared decision-making? Applying the Integrative Model of behavior to the role and design of decision support interventions in healthcare interactions

Attitudes Hypothetical results
Formative research questions:
What do you believe are the advantages (disadvantages) of telling your doctor today about your preferences for different colon cancer screening options?
Is there anything else you associate with telling (not telling) your doctor today about your preferences for different colon cancer screening options?
Advantages:
My doctor will know what is important to me
Disadvantages:
My doctor may think that I lack confidence in his judgment
Survey items assessing behavioral beliefs:
If I tell my doctor about my preferences for colon cancer screening when I see him/her for a consultation today, he/she will know what is important to me
Unlikely    -3    -2    -1    0    1    2    3    Likely
If I tell my doctor about my preferences for colon cancer screening when I see him/her for a consultation today, he/she may think that I lack confidence in his/her judgment
Unlikely    -3    -2    -1    0    1    2    3    Likely
Survey items assessing outcome evaluations:
My doctor knowing what is important for me is:
Very undesirable    -3    -2    -1    0    1    2    3    Very desirable
My doctor thinking that I lack confidence in his/her judgment is:
Very undesirable    -3    -2    -1    0    1    2    3    Very desirable
Perceived normative pressure Hypothetical results
Formative research questions:
Please list any individuals or groups who would approve (disapprove) of your telling your doctor about your preferences for colon cancer screening.
Please list any individuals or groups who tell (do not tell) their doctor about their preferences for colon cancer screening.
Are there any other people or groups you associate with telling (not telling) your doctor your preferences about colon cancer screening?
Individuals who approve:
Doctor
Individuals who disapprove:
Wife [because the doctor knows what is best]
Individuals who perform the behavior:
Colleagues
Individuals who do not perform the behavior:
Other people my age
Survey items assessing injunctive normative beliefs:
My doctor thinks I
should not    -3    -2    -1    0    1    2    3    should
tell him/her about my preferences for colon cancer screening when I see him/her for a consultation today
My wife thinks I
should not    -3    -2    -1    0    1    2    3    should
tell my doctor about my preferences for colon cancer screening when I see him/her for a consultation today
Survey items assessing descriptive normative beliefs:
Most of my colleagues would tell their doctors their preferences for colon cancer screening when they see him/her for a consultation
Unlikely    -3    -2    -1    0    1    2    3    Likely
Other people my age have told their doctors their preferences for colon cancer screening when they saw him/her for a consultation
Unlikely    -3    -2    -1    0    1    2    3    Likely
Self-efficacy Hypothetical results
Formative research questions:
What factors or circumstances would make it easy (difficult or impossible) for you to tell your doctor your preferences for colon cancer screening when you see him/her for a consultation today?
Enabling factors:
My doctor asks me what my preferences are
Factors that make it difficult or impossible:
Not having enough time to talk to my doctor
Survey items assessing the strength of efficacy beliefs:
I could tell my doctor my preferences for colon cancer screening when I see him/her for a consultation today even if he/she didn't ask about my preferences
Unlikely    -3    -2    -1    0    1    2    3    Likely
I could tell my doctor my preferences for colon cancer screening when I see him/her for a consultation today even if I have very little time to talk to my doctor.
Unlikely    -3    -2    -1    0    1    2    3    Likely