human 263 Humans 164 skill 164 article 163 male 162 female 161 adult 127 human experiment 97 controlled study 92 Male 71 Female 70 major clinical study 63 Teaching skills & techniques 62 learning 62 Article 61 child 53 Education 51 education 51 clinical article 43 questionnaire 40 psychology 38 linguistics 37 motor performance 37 Adult 36 adolescent 35 Legal skills & practice 34 communication skill 34 Sociolinguistics 33 Adolescent 32 Jurisprudence & general issues 32