Adult Humans 5 adult 5 human 5 psychology Female 4 Male 4 female 4 male 4 Middle Aged 3 middle aged 3 Adolescent 2 Article 2 Cross-Sectional Studies 2 Learning 2 Surveys and Questionnaires 2 Young Adult 2 adolescent 2 cross-sectional study 2 epidemiology 2 learning 2 physiology 2 questionnaire 2 young adult 2 Acquired Immunodeficiency Syndrome 1 American Sign Language 1 Amphetamine 1 Anxiety 1 Auditory Scaffolding Hypothesis 1 Bayesian data analysis 1