These findings are especially important in education and how we, as a culture, assess intelligence. In another study of hundreds of students, mostly adolescents, Dweck and her colleagues gave each ten fairly challenging problems from a nonverbal IQ test, then praised the student for his or her performance — most had done pretty well. But they offered two types of praise: Some students were told “Wow, you got [X many] right. That’s a really good score. You must be smart at this,” while others, “Wow, you got [X many] right. That’s a really good score. You must have worked really hard.” In other words, some were praised for ability and others for effort. The findings, at this point, are unsurprising yet jarring: