Dave is an individual with an "Internal locus of control".
Locus of control is a person's belief system with respect to the reasons for his or her encounters and the components to which that individual characteristics achievement or disappointment.
In the event that a man has an internal locus of control, that individual credits accomplishment to his or her own endeavors and capacities. A man who hopes to succeed will be more roused and more inclined to learn.
Psychological research has discovered that individuals with a more internal locus of control appear to be in an ideal situation, e.g. they have a tendency to be greater accomplishment situated and show signs of improvement paying employments.