Ключевые слова: 20s, 30s, 40s, 50s, adult education, black, buzzword, caucasian, cheerful, class, classroom, college, computer, computer room, education, experiment, female, group, happy, hispanic, keyboard, learn, learning, lecturer, looking at camera, male, man, mature adult, mature students, mid adult, monitor, pc, science, screen, single word, sitting, smile, smiling, student, study, studying, teacher, technology, test, text, typing, university, using, woman, young adult,