Ключевые слова: 1315 years, 1617 years, 30s, 30s adult, 3540 years, 4045 years, 40s adult, academic, adolescent, adults, boy, boys, caucasian, class, classroom, early 40s, early forties, educate, educating, education, educational, educator, eye contact, face, females, few, forties, fortysomething, gaze, girls, guy, guys, head and shoulders, head and shoulders portrait, head shot, headshot, high school student, highschool student, human, human being, human relationships, indoors, inside, instruct, instructing, instruction, instructor, late 30s, late thirties, learn, learning, look, looking, looking at, looking back, looking over shoulder, males, man, men, midadult, midadult man, people, photography, portrait, relationship, room, schoolroom, several, small group of people, students, teach, teacher, teaching, teen, teenage, teenage boy, teenage girl, teenaged, teenager, thirties, thirtysomething, whites, young, youth,