March 2024
Intermediate to advanced
610 pages
24h 12m
English
Content preview from Introduction to the New Statistics, 2nd Edition
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6 p Values, Null Hypothesis Significance Testing, and Confidence Intervals
You may have noticed, in books or research reports, expressions like these:
“The result was significant, p < .05.”
“We rejected the null hypothesis of no difference, and concluded there was a statistically significant increase, at the .01 level.”
Such statements reflect null hypothesis significance testing (NHST), which is the traditional approach to statistical inference in many disciplines. You need to know about NHST, which is mainly based on what are called p values, at least so you can understand research reports that use them. Fortunately, there are many close links between NHST—including p values—and estimation based on confidence ...
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