Learn how representative samples and random samples differ and why combining them minimizes sampling bias for accurate data.

We have developed a fast, reliable and easily reproducible semiautomated quantitative damage grading scheme to assess axonal loss in the optic nerve after inducing ocular hypertension using a laser ...

A study by the universities of Cordoba and Seville develops a method that makes it possible to verify, easily and quickly, whether an olive plantation is traditional, intensive, or super-intensive.

Sampling is the process of creating a small unbiased population to be used in a test or experiment. The sample removes the impractical idea of surveying everyone in a market or a population. Random ...