Examlex
Eight-month-old infants rely mainly on __________ to guide their decisions on how to grip objects.
Costa Rica
A country in Central America known for its biodiversity, environmental conservation, and high quality of life.
Representative Sample
A segment of a population that accurately mirrors the characteristics of the entire group.
Rubber Boots
Waterproof boots generally made from rubber or a water-resistant material to keep feet dry.
Operational Definition
A clear, detailed description of how an experimental variable is measured or manipulated within research.
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