It's a common assumption that a coach or manager has to choose between being demanding and being supportive — as if pushing people hard necessarily requires accepting some cost to their confidence and wellbeing. Carol Dweck's research suggests this is a false tradeoff specifically when the intensity is paired with clear teaching and a genuine, communicated belief that the person is capable of rising to meet the challenge.
The combination that works isn't "demanding, therefore harsh" — it's "demanding, and specifically oriented toward development," which requires more effort from a coach or leader than either pure toughness or pure encouragement alone, since it means holding a high bar while actively investing in helping someone reach it.
Pat Summitt, the legendary women's basketball coach, pushed her players extremely hard and held them to standards as demanding as any coach in the sport. But Dweck's account emphasizes that Summitt paired that intensity with clear, specific instruction and a consistently communicated belief that her players could rise to meet whatever she asked of them — the demand was never separated from the investment in helping players actually get there. This combination is presented as proof that a demanding coaching style is fully compatible with a growth mindset, as long as the intensity is aimed at development rather than at judgment.