the best performance of Internal men who valued personal fitness highly came when they were completing their fitness tests (which included sit-ups, grip strength, and a 1.5-mile run) in front of female examiners. Interestingly, Internal women were not similarly affected by the gender of the examiner and performed at about the same level regardless

Internality predicted higher academic achievement, while Externality tended to indicate lower academic achievement,

If you want Internals to learn, give them the freedom to choose what they study and how to study it. In contrast, if you want Externals to learn, provide them with a firm structure and a leader who will tell them how to study the material.

“I can change a little bit, but not too much because then I wouldn't be myself.” It is this kind of thinking that keeps Externals stuck in self-defeating behavior and prevents them from reaching their true potential.

better student achievement is correlated with greater Internality of teachers.16

LOC needs to be part of the discussion of how psychological disorders develop and are maintained, tolerated, and treated.

At the end of that semester, students with teachers who expected them to do well did well, and students who had teachers who expected them to do poorly did poorly. While the students had not differed from one another in achievement before the study, they did at the end. Teacher expectancies made the difference in how much their students learned.

We found that the larger the family, the more externally controlled were the members, but, regardless of number of family members, those born earlier tended to be more Internal than those born later, regardless of gender.14

Externals are prone to give up hope of succeeding, whereas Internals are more likely to think they can tinker with their options to improve their chances of future success.