On belief-desire reasoning tasks, children first pass tasks involving true belief before those involving false belief, and tasks involving positive desire before those involving negative desire. The current study examined belief-desire reasoning in participants old enough to pass all such tasks. Eighty-three 6- to 11-year-olds and 20 adult…

Studied developmental changes in the experience of solitude between late childhood and early adolescence. Fifth through ninth graders (N=483) provided experience-sampling reports on their companionship and subjective states at random times over a week. Found that in early adolescence solitude comes to have a more constructive role in daily life as…