Female Humans 177 female 177 human 177 male 170 Male 166 child 137 Child 116 adolescent 99 Adolescent 96 school child 91 major clinical study 88 Article 82 controlled study 75 psychology 70 adult 68 article 49 preschool child 49 school 48 Schools 46 Child, Preschool 43 Adult 42 questionnaire 40 young adult 40 Young Adult 37 human experiment 33 procedures 31 physiology 30 Surveys and Questionnaires 27 priority journal 26