Sentences with phrase «t tests statistics»
∞ p values under maternal sensitivity are based on independent t tests statistics and p values under atopic dermatitis are based on Chi square test statistics
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Data are shown as mean ± s.d. Statistics were performed using Student's t - test.
Data are shown as mean ± s.d. Statistics were performed using Student's t - test (a), one - way ANOVA (b) and Mann — Whitney U test (d, f).
Because respondents were randomly assigned to receive the refutation text or the control, we use straightforward analyses including descriptive statistics, t - tests, and ordinary least squares regressions.
We calculated χ2 statistics, t tests, and correlation coefficients to analyze the bivariate associations between each potential predictor variable (anthropometric and psychosocial family characteristics) and the 2 criteria of long - term weight change: success versus failure in weight reduction up to the 12 - month follow - up and weight change between the conclusion of treatment and the 12 - month follow - up.
The obtained data were analyzed by using descriptive statistics, t - test and Pearson product moment correlation.
Descriptive statistics, hierarchical regression analyses, Pearson's correlation, and the t - test were conducted.
Then, promoter - level methylation differences were identified as those promoters significantly enriched with probes having positive or negative t - statistics using the Wilcoxon rank - sum test.
We used the formulas of Mullen (1989) to transform the test statistics χ 2, F, t or p values into correlation r.
By Professor Nock's standard, we would throw out a good portion of research in medicine that uses inferential statistics (e.g., all of those that conduct t - tests or chi - square tests for treatment effects on small non-probability samples).
First, to address aim 1, descriptive statistics were used to examine the number, duration, forms, and frequency of interactions, and positive and negative friendship qualities with friends with and without CF. Mean differences in number of friendships with peers with versus without CF for the full sample were examined with paired - samples t - tests; paired - samples t - tests examining the remaining friendship indices (duration, interactions, and quality) were conducted among those participants who endorsed the presence of both types of friendships.
The data were analyzed with methods of the descriptive statistics, t - test, and the multiple regression analysis.
The Statistical Package for Social Sciences (SPSS.21) was used to compute descriptive statistics, correlations and paired t - tests to compare mothers and fathers medium scores on the selected scales and sub-scales.
Descriptive statistics (means, standard deviations and proportions) were computed to describe the sample and differences according to sex were examined using independent t - tests and chi - square analyses.