By the Second Birthday, a Toddler's Brain Is About _____

question 130

Multiple Choice

By the second birthday, a toddler's brain is about _____ of its adult weight.

• A) 25%
• B) 50%
• C) 75%
• D) 95%

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Definitions:

Ainsworth's Study

Research conducted by Mary Ainsworth that classified types of child attachment into secure, avoidant, and ambivalent categories through the Strange Situation Procedure.

Unethical Research

Research activities that violate moral principles, disregard participant welfare, or do not adhere to scientific and ethical standards.

Securely Attached Infants

Children who show a healthy balance of attachment and autonomy, often resulting from responsive caregiving, and display comfort with social interaction and exploration.

Ainsworth

A psychologist known for her work on attachment theory, specifically the development of the "Strange Situation" assessment.