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The center of mass of the system consisting of Earth, the Sun, and the planet Mars is:
Cognitive-Developmental Perspective
A viewpoint in psychology that studies how thinking skills develop over time and how individuals perceive and understand the world around them.
Albert Bandura
A psychologist well-known for his work on social learning theory, emphasizing the role of observational learning, self-efficacy, and imitation.
Jean Piaget
A Swiss psychologist known for his pioneering work in the field of developmental psychology and his theory of cognitive development in children.
B.F. Skinner
An American psychologist and behaviorist known for his work in developing the theory of operant conditioning, focusing on how behaviors are influenced by consequences.
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