In this week's issue of The Brilliant Report: How relationships with other people can evoke our intelligence. Plus, this week's top blog posts, a selection of posts about multitasking, and a Brilliant Quote from Stanford psychologist Paul O'Keefe about why a "growth mindset" is a key to achieving greatness.
Relating makes us smarter Learning, and thinking, are deeply social activities. This is not the traditional view (Rodin's iconic sculpture, "The Thinker," is conspicuously alone in his chin-on-fist musings), but it's the view that is emerging out of several decades of social science research. Our minds often work best in interaction with other people's minds, and there are particular kinds of relationships that are especially good at evoking our intelligence.

One is the master-apprentice relationship, which I wrote about here. Another, of course, is the teacher-student relationship—but today I want to talk about the benefits of this relationship for the teacher. For thousands of years, people have known that the best way to understand a concept is to explain it to someone else. “While we teach, we learn,” said the Roman philosopher Seneca. Now scientists are bringing this ancient wisdom up to date, documenting exactly why teaching is such a fruitful way to learn — and designing innovative ways for young people to engage in instruction.

Students enlisted to tutor others, these researchers have found, work harder to understand the material, recall it more accurately and apply it more effectively. In a phenomenon that scientists have dubbed “the protégé effect,” student teachers score higher on tests than pupils who are learning only for their own sake. But how can children, still learning themselves, teach others? One answer: They can tutor younger kids. The benefits of this practice were indicated by a pair of articles published in 2007 in the journals Science and Intelligence. The studies concluded that first-born children are more intelligent than their later-born brothers and sisters and suggested that their higher IQs result from the time they spend showing their younger siblings the ropes.

Educators are experimenting with ways to apply this model to academic subjects. In an ingenious program at the University of Pennsylvania, a “cascading mentoring program” engages college undergraduates to teach computer science to high school students, who in turn instruct middle school students on the topic. But the most cutting-edge tool under development is the “teachable agent” — a computerized character who learns, tries, makes mistakes and asks questions just like a real-world pupil. Engineers and computer scientists at Stanford and Vanderbilt universities have created an animated figure they call Betty’s Brain, who has been “taught” about environmental science by hundreds of middle school students.

Even though users’ interactions with Betty are virtual, the social impulses that make learning-by-teaching so potent still come into play. Student teachers are motivated to help Betty master the material, so they study it more conscientiously. As they prepare to teach, they organize their knowledge, improving their own understanding and recall. And as they explain the information to her, they identify knots and gaps in their own thinking. A 2009 study of Betty’s Brain published in the Journal of Science Education and Technology found that students engaged in instructing her spent more time going over the material and learned it more thoroughly.

Feedback from the teachable agents further enhances the tutors’ learning. The agent’s questions compel users to think and explain the material in different ways, and watching the agent solve problems allows users to see their knowledge put into action. Sandra Okita, an assistant professor of technology and education at Teachers College, reported in 2006 on the use of a teachable agent by high school students learning to engage in deductive reasoning. On a subsequent test of their skills, the students who had observed agents using rules of reasoning to solve a problem “significantly outperformed” students who had only practiced applying the rules themselves.

Above all, it’s the emotions elicited by teaching that make it such a powerful vehicle for learning. Student tutors feel chagrin when their virtual pupils fail; when the characters succeed, they feel what one expert calls by the Yiddish term nachas. Don’t know that word? I had to learn it myself: “Pride and satisfaction that is derived from someone else’s accomplishment.”

(Want to read past issues of The Brilliant Report? You'll find them here.)

This Week's Top Blog PostS
1. A Simple Way To Push Back Against The "Summer Slide"
2. Parents Who Use Gestures Increase Their Children's Vocabularies
3. A Roomy Desk Or Seat Makes Us Feel Powerful—And Makes Us Act Less Ethically
4. Do Kids Engage In Inventive Play Just Because We Want Them To?
5. Goofing Off On The Job—And Loving It

Articles and Blog posts About . . . Multitasking1. Human Biology Vs. Our Urge To Multitask
2. Multitasking Feels Good—It's Just That It Doesn't Work
Switching From Multitasking To Focusing Is Harder Than You Think
4. The Epidemic Of Multitasking While Learning
5. Reaction To My Multitasking Article: Part One and Part Two

If you have comments or questions, I'd love to hear from you by email: And if you'd like to read even more about learning, you can visit my website, follow me on Twitter, and join the conversation on Facebook. Be brilliant!

All my best,

This Week's Brilliant Quote"One of the most significant precursors to achieving greatness is not only believing that you can, but maintaining that belief in the face of difficulty and doing what is necessary to continue to develop your skills. In pursuit of challenging goals, people invariably encounter difficulties that test the limits of their abilities. Greatness is achieved, in part, by those who are resilient to such threats and construe setbacks as an integral part of learning and growth. They perceive setbacks as signals to seek remedies rather than to protect their self-esteem. Thomas Edison, one of history's most prolific and important innovators, developed 3,000 theories about how to create a functional electric light, and only two worked. How might history have been altered if Edison had given up after his initial failures?"—Paul O'Keefe, "Mindsets and Self-Evaluation: How Beliefs About Intelligence Can Create A Preference For Growth Over Defensiveness"

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