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Sampling errors are related to the accuracy of data, whereas nonsampling errors relate to the representativeness of a sample to a defined target population.
G. Stanley Hall
An American psychologist and educator, known as one of the founders of child psychology and educational psychology.
Motor Development
Motor development refers to the progression of muscular coordination required for physical activities, including crawling, walking, and grasping, among other movements.
Qualitative Changes
refers to transformations that significantly alter the nature or character of an entity, often in the context of developmental processes and psychological growth.
Quantitative Changes
Alterations that can be measured or quantified, often referring to development or growth that increases in size, amount, or degree.
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