Identity 89 human 83 male 56 Humans 55 female 55 adult 53 article 52 identity 45 gender identity 36 Male 35 Female 31 controlled study 25 Adult 24 human experiment 23 young adult 22 Society & social sciences 20 Young Adult 20 The self, ego, identity, personality 19 psychology 18 Article 16 Gender Identity 16 Social & cultural anthropology, ethnography 16 Social & cultural history 16 major clinical study 16 Education 15 Cultural identity 13 Cultural studies 13 Media studies 13 Social identity 12 adolescent 12