American and British English are considered to be mutually __________ because the speakers of either dialect can usually understand speakers of the other dialect.

The __________ design offers insights into how change occurs

A) sequential B) longitudinal C) microgenetic D) cross-sectional

Contextual paradigms generally are most important to consider when investigating developmental changes during which of the following periods of the lifespan?

a. prenatal development b. infancy and toddlerhood c. middle childhood d. middle adulthood