article human 196 female 150 male 146 adult 145 case report 131 clinical article 127 Humans 103 human experiment 89 Female 51 Male 49 controlled study 42 self report 42 Adult 37 questionnaire 35 major clinical study 32 adolescent 26 young adult 26 child 24 Young Adult 22 perception 22 middle aged 21 Adolescent 20 education 20 psychology 20 learning 19 decision making 18 Middle Aged 17 Self Report 16 outcome assessment 16