Childhood Development: Gender, Empathy, Aggression, and Child Safety

Vocabulary terms and definitions covering gender identity milestones, empathy and aggression dynamics, television violence statistics, leading causes of childhood mortality, and indicators of child maltreatment.

Gender Identity by Age Four

The developmental point by which most children form distinct identities regarding whether they think they are a boy or a girl.

Gender Identity by Age Six

The age by which children's gender identities and gender-based preferences become quite rigid, even despite parental encouragement to dismiss stereotypes.

Pro-social Behavior

An early positive behavioral tendency displayed by young children that supports the development of empathy.

Empathetic Two-Year-Olds

Toddlers who demonstrate empathy at age two and are statistically more likely to become empathetic second graders.

Television Violence Prevalence

A media factor linked to increased aggression; a cited study found that $60\%$ of television shows contain some kind of violence.

Aggression Reduction After Age Two

A developmental trend where all forms of aggression become less common, attributed to increasing empathy, better emotional regulation, and understanding social contexts.

Relational Aggression

A non-physical form of aggression—used more often by girls than boys—that involves social attacks such as insults, repeated exclusion, unfollowing, and making fun of others.

Empathy and Aggression Relationship

An inverse relationship demonstrating that an individual cannot be truly empathetic while simultaneously being aggressive.

Unintentional Injuries

The leading cause of death during childhood, which includes events such as automobile accidents and drowning.

Red Flags for Child Maltreatment

Observable warning signs of abuse or neglect, including burns, repeated unexplained injuries, broken bones, persistent bruising, and play dominated by themes of violence and sexual knowledge.

Reporting Rule of Thumb

The mandatory guideline advising individuals to err on the side of caution by reporting any suspected child maltreatment whenever there is doubt.