student human 153 Humans 138 Students 110 female 109 male 107 Female 93 Male 89 adult 79 article 69 Adolescent 60 psychology 60 adolescent 59 young adult 55 Young Adult 53 Adult 49 human experiment 49 controlled study 43 major clinical study 42 university 40 Universities 36 education 36 learning 28 Article 26 questionnaire 26 child 24 procedures 24 United States 22 Surveys and Questionnaires 21 Child 18