This study examines the extent to which the younger (8 years old) and preadolescent (12 years old) child engage in altruistic lying for a peer who is dependent on the child for help in the form of lying behavior. Subjects were 56 Canadian, white, middle class boys. An ostensible peer gave half of the subjects help in winning a prize. The other 28…

Elementary school students demonstrated a developmental trend in ability to judge speed solely on auditory cues. Second graders considered intensity cues relevant, and were most accurate on intensity shifts. Accuracy on frequency shifts increased across grades. Awareness of frequency and frequency-intensity relationships increased with age.…

The authors measured memory for individual features (objects only or locations only) and the combination of those features (objects and locations) in 9-, 12-, and 21-year-old students with a "yes" or "no" recognition task. Analysis of recognition memory performance (d' scores) revealed that although age differences existed in memory for individual…