McClenahan, Carol, Mark Shevlin, and Gary Adamson (2007), "Testicular self-examination: a test of the health belief model and the theory of planned behaviour", Health Education Research, 22, 272-284.
- Perceptions of an individual’s ability to perform the behavior.
If you are going to do testicular self-examination how easy is it for you to do it correctly?
How difficult would it be for you to perform testicular self-examination in the next few months if given the chance?
I can perform testicular self-examination even if I feel awkward about it.
I can perform testicular self-examination even if I have to seek out information about how to do it correctly.