| statistical significance |
The result of a statistical test (such as a t-test or ANOVA) comparing the null hypothesis to the study hypothesis.? If a study finds that the difference between two groups was significant with p < 0.05, it means that there is less than a 5% chance that the observed difference isn't real, but just a random error.?
출처: www.ebm-s.org/moodle/mod/glossary/view.php
|
|---|---|
| statistical |
A measure of the degree of spread among a set of values; a measure of the tendency of individual values to vary from the mean value. It is computed by subtracting the mean value from each value, squaring each of these differences, summing these results and dividing this sum by the number of values in order to obtain the arithmetic mean of these squares. 003
출처: appl.nasa.gov/resources/lexicon/terms_v.html
|
| statistical significance |
The probability that an event or difference occurred by chance alone. In clinical trials, the level of statistical significance depends on the number of participants studied and the observations made, as well as the magnitude of differences observed.
출처: www.acrohealth.org/glossary.php
|
| statistical significance |
the state whereby the probability that a relationship (as shown by a correlation coefficient or a difference between two means) could have come about by chance alone, is below a given low level--such as below 5 percent (0.05). ...
출처: www.cpc.ncep.noaa.gov/pacdir/cont_brie.html
|
| statistic |
characteristic of a sample. Ex.: = percentage of Democratic voters in the above sample.
출처: home.xnet.com/~fidler/triton/math/review/mat170/de...
|