SUMMARIZE THE FOLLOWING DEFITION

These categories were based on the
differences in children’s activity levels, their approach–withdrawal
behaviour, the intensity of their reactions, their threshold of
responsiveness, the quality of their moods, their adaptability, their
rhythmicity, their distractibility and their attention spans.

The definition outlines the various categories used to characterize differences in children's behavior, including activity level, approach behavior, reaction intensity, responsiveness threshold, mood quality, adaptability, rhythmicity, distractibility, and attention span.