Examlex
Hidalgo, eight, is very good at addition and subtraction, but he has a hard time understanding the complex algebraic problems that his 14-year-old sister does. Hidalgo is currently in which of Piaget's stages of development?
Pair-Bonding
The establishment of a sustained social and emotional relationship between two individuals, often involving mutual support and attachment.
Mammary Glands
Specialized organs in mammals that produce milk to nourish newborns.
Critical Period
A specific time in an organism's life span when it is particularly responsive to certain forms of environmental stimuli.
Sensitive Period
A specific time frame during development when the organism is particularly responsive to environmental stimuli.
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