Boys, ages 6, 8, and 10, were classified with regard to conceptual tempo and were presented with cartoon stimuli varying in cognitive complexity and level of affectivity. The results indicate that reflective subjects generally displayed the highest comprehension scores while impulsive subjects displayed the greatest spontaneous mirth. (JMB)

Examined the relationship of ability to conserve and comprehend of logical riddles in 33 first-, third- and fifth-grade boys of average intelligence. Although both riddle comprehension and cognitive maturity as assessed by Piagetian tasks increased with grade, the relation between them was not clearly demonstrated. (Author/JMB)