Reproducibility of Results reproducibility 21 Humans 20 human 20 male 17 adult 16 female 16 Male 13 Female 12 Adult 11 major clinical study 8 Article 7 middle aged 7 questionnaire 7 Psychometrics 6 Surveys and Questionnaires 6 controlled study 6 psychometry 6 young adult 6 Middle Aged 5 Young Adult 5 aged 5 reliability 5 Adolescent 4 Aged 4 Factor Analysis, Statistical 4 adolescent 4 article 4 factor analysis 4 physiology 4