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Statistics

An Easy Guide to Understanding Reliability and Validity

Reliability and validity always come up when studying surveys in statistics, marketing, or opinion polling. This guide uses two illustrated examples, shooting and makeup, to make t

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Education

A Bridge Laid Before New Knowledge: The Advance Organizer

Proposed by educational psychologist David Ausubel, an advance organizer is a broad, general idea presented before new material so it can connect to what learners already know. Thi