Charles Spearman presented the two factor theory of the intelligence. He developed a mechanism or method that was based on the analyzing factors, and testing variables to develop statistical correlation in between related variables that are tested.
His idea was to develop a method to make an index by a single test to measure or evaluate the mental capacities so the most enthusiastic person would be Spearman.
true but not always the conflict resolution works every time sometimes the conflict resolution will not solve the problem other methods can solve the problem so it's a maybe