human 501 Humans 360 female 234 male 224 adult 216 Article 186 article 164 controlled study 159 Female 131 Male 114 procedures 105 Education 97 Adult 90 clinical article 71 middle aged 71 Technology: general issues 69 major clinical study 64 Media studies 63 adolescent 63 nonhuman 63 aged 62 young adult 59 human experiment 58 Middle Aged 57 Adolescent 56 L Education (General) 54 genetics 53 Young Adult 52 Psychology 51 COVID-19 49