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Identity Development in Adolescence and Adulthood  

Jane Kroger

Psychoanalyst Erik Erikson was the first professional to describe and use the concept of ego identity in his writings on what constitutes healthy personality development for every ... More

Motivation in Sport and Performance  

Glyn C. Roberts, Christina G. L. Nerstad, and P. Nicolas Lemyre

Online publication date:
Jul 2018
Motivation is the largest single topic in psychology, with at least 32 theories that attempt to explain why people are or are not motivated to achieve. Within sport psychology research, ... More

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