Performance of elderly subjects on reaction time tasks appears to be more disrupted when trials are spaced than when they are massed. It appears that in general, boys become even more likely to imitate aggressive models during early adolescence than previously in their lives. The proportion of elderly individuals residing in nursing homes increases with chronological age. It appears that fluid intelligence is more stable throughout the lifespan than is crystallized intelligence. Girls reach physical puberty on average years before boys, other things equal.
Thanatology is a specialty devoted to the study of death as a process.
Conformity to peers increases throughout the course of adolescence. According to Gilpin, social demands made on adolescents in America are based on their physical maturation, not on their chronological age as such.