title: Motivations and rewards for volunteering to be an experimental subject.
mesh_terms: D001887:Boredom; D004777:Environment; D005106:Exploratory Behavior; D006126:Group Processes; D006805:Human Experimentation; D006801:Humans; D007857:Leadership; D009013:Morale; D009042:Motivation; D010549:Personal Satisfaction; D011330:Prisons; D012201:Reward; D012934:Social Isolation; D012959:Socioeconomic Factors