The self, ego, identity, personality 42 human 15 adult 12 ego development 11 female 11 article 10 male 10 Humans 9 human experiment 9 controlled study 7 Cognition & cognitive psychology 6 Psychological methodology 6 Psychology 6 physiology 6 Adult 5 Child & developmental psychology 5 Male 5 Psychology: the self, ego, identity, personality 5 Ethics & moral philosophy 4 Female 4 History of engineering and technology 4 Philosophy of language 4 Social, group or collective psychology 4 Young Adult 4 young adult 4 Consciousness 3 Education 3 Ego 3 Gender studies, gender groups 3 History of science 3