article human 311 adult 186 female 184 male 174 Humans 158 human experiment 112 controlled study 110 major clinical study 72 Female 67 Male 59 quantitative analysis 50 questionnaire 47 education 46 Adult 44 clinical article 39 child 38 procedures 38 adolescent 37 qualitative research 35 Middle Aged 30 middle aged 30 psychology 30 perception 29 Adolescent 28 decision making 28 simulation 26 learning 25 public health 25 semi structured interview 25