Examlex
Which of the following periods of development is sometimes referred to as the preschool years?
Simple Random Sampling
A statistical technique where each member of a population has an equal probability of being included in the sample.
Subdivides
Refers to the act of dividing something that is already divided or separating into smaller parts or sections.
Secondary Research
The process of synthesizing and analyzing information that has already been collected or published by others, as opposed to primary research where data is collected firsthand.
Primary Research
The process of collecting new data directly from sources or experiments, as opposed to analyzing existing data.
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