By About _____ of Age, Infants/children Are First Able to Distinguish

question 9

Multiple Choice

By about _____ of age, infants/children are first able to distinguish females and males, usually on the basis of _____.

• A) 15 to 18 months; clothing
• B) 6 to 9 months; hairstyle
• C) 12 to 14 months; voice
• D) 2 to 3 years; behavior

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Definitions:

Wilhelm Wundt

Commonly recognized as the father of experimental psychology, he founded the first formal laboratory for psychological research in Leipzig, Germany, in 1879.

Ivan Pavlov

A Russian physiologist known for his work in classical conditioning, particularly his experiments with dogs that led to the discovery of the conditioned reflex.

Jean Piaget

A Swiss psychologist best known for his pioneering work in child development and his theory of cognitive development.

William James

A pioneering American psychologist and philosopher known for his work in pragmatism and functionalism, as well as for being a co-founder of the field of psychology in the United States.