The correct answer is false.
It is false that Alfred Adler created the idea of the collective unconscious or a layer of awareness shared by the human race.
Alfred Adler (1970-1937) was an Austrian psychotherapist of what is known as individual psychology. His psycholigystyke focused on the need of humans to create positive changes and social impact. He considered that humans needed to nurture feelings such as belonging to strive for superiority. That is why is false that Alfred Adler created the idea of the collective unconscious or a layer of awareness shared by the human race.
