article human 531 adult 285 female 284 male 276 human experiment 228 Humans 220 controlled study 205 major clinical study 114 Male 91 Female 90 clinical article 78 Adult 72 nonhuman 64 learning 61 child 55 education 55 questionnaire 53 simulation 53 young adult 52 Young Adult 44 perception 43 procedures 43 adolescent 41 physiology 41 algorithm 38 skill 38 decision making 37 outcome assessment 37 quantitative analysis 35