A. This is one of the best answers. Aspects of development is a basic concept that serves as the explanation for trait and self-concept theories; it is 50 percent of the explanation for origins of personality.
B. This is not the best answer. Although periods of development is the basic concept behind stage theories, gender role changes, and women’s personality development, it is not the dominant theme in the chapter.
C. This is not the best answer. The meaning of age concept is not discussed in relation to personality development.
D. This is not the best answer. The normative/nonnormative development perspective is a factor in the timing-of-events model, but it is not a dominant theme.
E. This is one of the best answers. Context is discussed as having a 50 percent influence on origins of personality, is the foundation of timing-of-events theory, influences gender stereotypes and gender roles, affects women’s personality development, and is discussed in synthesizing approaches.