The correct answer is an internal locus of control.
Locus of control refers to the degree to which people feel they have no control over the events that influence their lives.
Internal control locus is often used as a synonym for "self-determination". Research has suggested that men tend to have a greater locus of internal control than women and that locus of control tends to become more internal as people age. In some situations, an external locus of control can actually be a good thing, especially if a person's level of competence in a particular area is not very high.