sign test


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sign test

[′sīn ‚test]
(statistics)
A test which can be used whenever an experiment is conducted to compare a treatment with a control on a number of matched pairs, provided the two treatments are assigned to the members of each pair at random.
References in periodicals archive ?
9 TABLE 2: The results of the Sign test for Comparison of [DELTA]E of etched and unetched enamel in the four groups.
A sign test across fifteen studies assessing whether the degree of asymmetry is greater in the most or the least contaminated area is a very conservative test, because it does not quantify the magnitude of the effect or take sampling effort or quality of studies into account.
In this way, the generalized sign test takes account of a possible asymmetric return distribution under the null hypothesis.
We use the generalized sign test of Cowan (1992) and the generalized rank test of Kolari & Pynnonen (2010b).
Non-parametric sign test was applied to compare candidal outcome at the time of insertion and after one month of wearing complete dentures.
Contingency table kh2 Pearson correlation, Kendall's tau_b, Spearman's rs, one way analysis of variance, Correlation Matrix, Binomial/ sign test, regression equation and normal probability plot and histogram plot are used for data analysis
In addition, we use a generalized sign test to determine whether the number of stocks with positive CARs exceeds the number expected in the absence of abnormal returns.
The binomial sign test indicated whether the variable in question discriminated matched pairs of townships with better than the chance probabilities.
5 out of 12 on the road sign test, below 25 out of 32 on the compass test and take more than 90 seconds to finish the trail making test are more likely to fail the on-road evaluation.
The statistical tools like kruskal-Wallis, MCNCMER test and sign Test, Chi- square have been used in the analysis of the study.