Table 1 Statistical methods used in the research
Examined feature | Statistical methods |
|---|---|
Normality distribution of data | Z test, Kolmogorov Smirnov test |
Validity | |
Content validity of the draft scale | Davis Technique, evaluation of expert opinions |
Criterion validity | Correlation with a similar scale |
Construct validity | Exploratory factor analysis (EFA) |
Sample size and suitability tests for factor analysis | Kaiser–Meyer–Olkin (KMO) sample adequacy test Bartlett's Test of Sphericity |
Construct validity of draft scale sub-dimensions | Confirmatory Factor Analysis (CFA) |
Reliability | |
Internal consistency | Cronbach Alpha Coefficient, split-half technique, item-total score correlation, correlation between items, comparison of 27% lower and upper slices of the scale total score |
Invariance over time | Test–retest method, Wilcoxon paired-sample test |
Splitting the test in half | Spearman Brown test |
Other analyzes related to scale score | |
Determining the sociodemographic characteristics of the participants | Number, percentage, mean and standard deviation |
The relationship between the sociodemographic characteristics of the participants and the scale total score | Independent groups t test, ANOVA test, Kruskal Wallis test |
Examining the relationship between the sub-dimensions of the scale and testing the significance | Pearson product-moment correlation analysis, Point scatter plots |