Final answer:
George Farkas found that grit and perseverance are key factors in achieving high grades, emphasizing the importance of resilience and hard work over innate talent or intelligence in academic success.
Step-by-step explanation:
According to the research conducted by George Farkas, it was grit and perseverance that were determined to be the deciding factors in which students receive the highest grades. This suggests that academic success and achievement are more closely linked to a student's resilience and consistent hard work rather than just talent or IQ. Farkas' study aligns with the notion that personal attributes, such as determination and endurance in the face of challenges, play a significant role in educational outcomes.