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Denoting a test for deviation from the null hypothesis in one direction only.
‘Because the critical region for all alternative hypotheses would consist of only one side of the distribution, we conducted one-tailed tests.’
‘Therefore, we performed what is analogous to a one-tailed test with the null hypothesis that occupancy rate and pf of territories were correlated using an information-theoretic approach.’
‘The data were analyzed for statistical significance with a one-tailed binomial test with = 0.05.’
‘Where appropriate, significance tests were one-tailed and were corrected by the sequential Bonferroni method to control the Type I error rate.’
‘In addition, only a one-tailed test was evaluated.’
‘Of the 131 allele frequency tests, 69 were significant by one-tailed tests.’
‘If our observed value fell within the top 500 rank among 10000 sets in a population, we concluded that there was significant size asymmetry using a one-tailed test.’
‘This yields the probability that the observed and for windows around test sites were lower than expected under the null hypothesis (thus, this is a one-tailed test).’
‘Because the effects of specialization on taxonomic diversity are uncertain, we performed one-tailed tests in the direction of decreased species diversity and then repeated the tests in the direction of increased species diversity.’
‘Tests of significance were two tailed, except for tests of correlation for which one-tailed tests are appropriate.’
‘In this study, tests for associations between insertions as a class and variation in bristle number were assessed using a permutation-based one-tailed test of significance.’
‘We report results for one-tailed tests because of a-priori directional hypotheses.’
‘The negative effect remained and was marginally significant at p <.10 in a one-tailed test for patents below the 40-percent cutoff and continued to be negative but not significant up to the 60-percent cutoff.’
‘All hypotheses were examined using one-tailed tests, as all were directional.’
‘We used two-tailed tests (unless otherwise stated), directed tests when the direction of a test could be prescribed a priori, and one-tailed tests when the outcome of the experiment was predicted from our previous data.’
‘The need to use distributions can sometimes be avoided if one can diagnose the direction in which the model is deviating with respect to the data and then make a one-tailed test.’
‘The figures also give the regression lines, the Pearson's rs and the corresponding directed p-values; we use directed instead of one-tailed tests to avoid inflation of the alpha value.’
‘We set the 95% confidence limits for this one-tailed test using coalescence simulations that incorporate genetic drift due to the domestication bottleneck.’
‘Tests of statistical significance of the estimated parameters were set at the .05 level, one-tailed tests were used where hypotheses were directional, two-tailed when there was no directional hypothesis.’
‘Directed tests are a useful alternative to one-tailed tests and provide the safeguard that results in the opposite direction to those predicted can be interpreted statistically.’