1stround | 2ndround | 3rdround | 4thround | 5thround | |
---|---|---|---|---|---|
Number of items | 233 | 413 | 413 | 413 | 413 |
The average score of each item [mean ± standard deviation (SD)] | 3.87 ± 0.54 | 3.62 ± 0.69 | 3.54 ± 0.80 | 3.39 ± 0.86 | 3.32 ± 0.89 |
The SD of each item (mean ± SD) | 1.18 ± 0.25 | 1.06 ± 0.25 | 0.87 ± 0.21 | 0.87 ± 0.22 | 0.77 ± 0.17 |