What are examples of the two-factor theory?

In Spearman’s opinion, a student doing well in one subject was likely to do so in corresponding subjects as well, whereas a student doing poorly in a subject would do poorly in corresponding subjects too. For example, a student who was good in General Knowledge would be so in quizzes and debate. A student good in maths would be good in logical games and detecting patterns as well. This is what Spearman’s Two Factor Theory of Intelligence suggests. Read more>> Spearman’s Two Factor Theory of Intelligence