Examlex
A 1-in-k systematic random sample involves the random selection of one of the first k elements in an ordered population, and then the systematic selection of every kth element thereafter.
Education
The process of receiving or giving systematic instruction, especially at a school or university, aiming for the intellectual and moral development of individuals.
Sensorimotor Period
A stage in early childhood development characterized by the understanding of the world through physical interactions and sensory experiences.
Object Permanence
The understanding that objects continue to exist even when they cannot be seen, heard, or otherwise sensed, a concept developed in early infancy.
Cognitive Development
The process through which individuals acquire and evolve their thinking skills, problem-solving abilities, and intelligence over time.
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