For parents with resistant kids, their best hope is to avoid bribes, allowance, other incentives, and chore charts, and instead turn chores into a social activity. Saying “Let’s do this together” can ...

To improve willpower, it boils down to “just try harder,” said Kentaro Fujita, a professor of psychology at Ohio State University who studies self-regulation and decision making. But self-control ...

Optimism and pessimism aren’t unchanging traits; they tend to shift with age, although the trajectories vary from culture to culture. Nor is optimism an unquestioned good. “Extreme optimism might not ...