2.3. Statistical analyses and data analyses plan
The criteria of normality and homogeneity of variances will be verified by ANOVA, normality will be verified with the Shapiro–Wilk and Kolmogorov–Smirnov tests. The chi-square test will be used to compare groups for categorical variables. Numerical variables will be compared by repeated measures ANOVA. If there is a statistical difference between the groups, Tukey post hoc test will be used. In all tests, a significance level of 0.05 will be adopted, which will result in an analysis with a 95% confidence interval. The software that can be used is SPSS 23 (IBM, New York) and Statistica 8.0 (StatSoft, TIBCO Software Inc, CA). The complete study schedule is shown in Figure Flowchart activity – study timeline. Pg 13.