Instructions: Refer to the mass spectrum of 2-methylbutane shown below to answer the following question(s). 
(Spectrum obtained from: SDBSWeb: http://www.aist.go.jp/RIODB/SDBS/)
-Refer to instructions. What peak represents M+?
Definitions:
Jane Loevinger
A psychologist known for her work on ego development, proposing a theory of personality development focused on the evolution of the ego.
Neo-Freudian Psychologist
A psychologist who builds upon Freud's theories, incorporating social and cultural aspects into the understanding of human behavior.
Ego Development
The process of psychological growth and change that occurs over the course of an individual's life, relating to how they understand themselves and their relationships with others.
D. W. Winnicott
A British paediatrician and psychoanalyst known for his work in the field of child development and psychoanalysis, especially on the concept of the "good enough mother" and the transitional object.
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