Capacity
When I have the motivation‚ I’m able to… (With much difficulty  1——–2——–3——–4——–5  Very easily)
1.    … resist temptation. *
2.    … break bad habits.
3.    … avoid being lazy.
4.    … avoid saying things that might get me into trouble.
5.    … avoid doing certain things that are bad for me even though they are fun.*Â
6.    … refuse things that are bad for me.*
7.    … have self-discipline.*
8.    … behave in a way that people would say that I have iron self-discipline.
9.    … prevent pleasure and fun from keeping me from getting work done.
10.… have no trouble concentrating.
11.… work effectively toward long-term goals.
12.… stop myself from doing something if I know it is wrong.*
13.… act after thinking through all the alternatives.Â
Internal Motivation
Because of my own personal values‚ identity‚ standards‚ etc. I am motivated to… (Not at all   1——–2——–3——–4——–5  Very much)
1.    … resist temptation.*
2.    … break bad habits.
3.    … avoid being lazy.
4.    … avoid saying inappropriate things.
5.    … avoid doing certain things that are bad for me even though they are fun.*Â
6.    … refuse things that are bad for me.*
7.    … have self-discipline.*
8.    … behave in a way that people would say that I have iron self-discipline.
9.    … prevent pleasure and fun from keeping me from getting work done.
10.… have no trouble concentrating.
11.… work effectively toward long-term goals.
12.… stop myself from doing something if I know it is wrong.*
13.… act after thinking through all the alternatives.Â
External Motivation
Because of how I’d be viewed by others (e.g. parents‚ friends‚ peers‚ society‚ etc.)‚ I am motivated to… (Not at all  1——–2——–3——–4——–5  Very much)
1.    … resist temptation.*Â
2.    … break bad habits.Â
3.    … avoid being lazy.Â
4.    … avoid saying inappropriate things.Â
5.    … avoid doing certain things that are bad for me even though they are fun.*Â
6.    … refuse things that are bad for me.*
7.    … have self-discipline.*Â
8.    … behave in a way that people would say that I have iron self-discipline.Â
9.    … prevent pleasure and fun from keeping me from getting work done.Â
10.… have no trouble concentrating.Â
11.… work effectively toward long-term goals.Â
12.… stop myself from doing something if I know it is wrong.*
13.… act after thinking through all the alternatives. Â
* Items at 15 items scale
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This instrument can be found at: https://repository.asu.edu/attachments/170297/content/Papova_asu_0010N_15691.pdf
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Papova‚ Anna. (2016).Self-Control Motivation and Capacity Scale: A New Measure of Multiple Facets of Self-Control. Arizona State University. ma‎ster of Arts Thesis.