Studies that have examined teen media practice have found that ____ of their media involves using multiple media sources at once

Piaget argued that at three critical points in a child's life, assimilation and accommodation

are no longer adequate for continued cognitive development. As a result, radical revision of the child's schemas is accomplished through the process he called a. accrual. b. attribution. c. equilibration. d. emendation. e. oscillation.

Astronomers typically employ

(a) experimental research (b) correlational research (c) research without the aid of theories (d) research without the biasing influence of theories and hypotheses (e) research without the biasing influence of mathematics