# two-tailed test

Also found in: Medical, Acronyms, Wikipedia.

## two-tailed test

[′tü ‚tāld ‚test]
(statistics)
A statistical test in which the critical region consists of those values of a test statistic less than a given value as well as those values greater than another given value. Also known as two-tail test.
Mentioned in ?
References in periodicals archive ?
13) The ethnic interaction variables are retained if the corresponding estimate is significant at the 10 percent level or better using two-tailed tests.
On the other hand, the estimated coefficient on the interaction term is positive but it, too, is not statistically significant under a two-tailed test although it is significant at the 10 % level of a one-tailed test.
As shown in Table 8, a correlation frequency in feminine self-esteem level and coping style could not have linear-by-linear association, a two-tailed test significant at p > .
The behavior of this index is illustrated in Figure 4 for two-tailed tests with [alpha] [member of] {.
7, the estimated coefficient on the (FUR/MUR) variable is positive; in addition, after subjecting it to a two-tailed test, it is statistically significant at the 5% level.
The variable SIGNAL is also positive and significant at the 10 percent level in a two-tailed test.
947 Number of Observations 2315 *** Significantly different from zero at 1% level, two-tailed test ** Significantly different from zero at 5% level, two-tailed test * Significantly different from zero at 10% level, two-tailed test (+++) Significantly different from Coefficient of European or Other at 1% level, two-tailed test.
The treatment effect would not be significant based upon a two-tailed test.
Significance levels correspond to a two-tailed test of the null hypothesis that the coefficient equals zero.
This is a two-tailed test with 9 degrees of freedom and a [mu].
142 ages 1-14 * Significant at a 10% level, using a two-tailed test.
Additionally, students may also incorrectly formulate the hypotheses as a two-tailed test.

Site: Follow: Share:
Open / Close