Final answer:
The movement associated with the phrase 'Tune in, Turn on, Drop Out' is the Hippies. The Hippie movement of the 1960s emphasized freedom of expression, philosophy, and love. They rejected traditional social values and lived a nonmaterialistic existence close to nature.
Step-by-step explanation:
The movement associated with the phrase 'Tune in, Turn on, Drop Out' is the Hippies. The counterculture movement of the 1960s, known as the Hippie movement, emphasized freedom of expression, philosophy, and love. Hippies rejected traditional social values, sought peace, and lived a nonmaterialistic existence close to nature. They embraced alternative music, poetry, and experimented with psychedelic drugs.