Through checks and balances
Answer:
Spearman believed that people who are intelligent in maths are usually not intelligent in verbal skills
While Thurstone believed that people who are intelligent in one Areas are usually intelligent in all areas.
Explanation:
My believe aligns with Spearman in that people who are intelligent with mathematics are usually not intelligent with verbal skills, mathematical skill involved being analytical , manipulative and while verbal skill deals with how you approach words, comprehend meanings. So one might be very analytical with very good approach to problem solving but might not be really good at putting words together and making substantial meaning out of it.
When judgments or decisions are influenced by the way in which information is presented, this is called a framing effect.
The term framing effect is an important concept in behavioral economics and psychology. It states, that people react to a particular choice in different ways depending on how it is presented.