In mathematical terms, a difference between tests of two or more variables, which is sufficient to indicate that a similar mailing will produce the same or similar differentiation. The significant difference varies with the confidence level desired. Most direct-mail penetration uses a 95-percent confidence level wherein 95 times out of 100 the resu...
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A difference between experimental groups or conditions that would have occurred by chance less than an accepted criterion; in psychology, the criterion most often used is a probability of less than 5 times out of 100, or p < .05.
Found on
https://www.encyclo.co.uk/local/22842
No exact match found.
