Teenage years involve growth spurts and hormonal maturation. Boys experience puberty between 9.5 and 14 years. Girls start puberty between 8 and 13 years. Pubic hair appears around 13.5 years for boys. Breast development starts around 8 years for girls
Jeffrey Arnett proposed emerging adulthood as 20-29 years of life. Characterized by identity exploration, instability, self-focus, feeling in-between, and possibilities. Most emerging adults believe their lives will be better than their parents. 92% of 18-24 year olds believe their lives will be as good as their parents'
Traditional education refers to long-established school customs. Primary purpose is passing on necessary skills and moral standards. Teachers communicate knowledge and enforce behavioral standards
Motor skills involve specific body movements for tasks like walking and running. Gross motor skills use large muscle groups for continuous tasks. Fine motor skills require smaller muscles for precise movements
Self-awareness is experiencing one's own personality and individuality. It differs from consciousness, which focuses on body and environment. Mirror neurons may provide neurological basis for self-awareness
Teens exhibit adult-like thoughts and rational goals. They can make future plans and understand long-range goals. Most teens become legal adults in most states