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Split-half coefficient in the validation phase (N = 25, age ≤ 7)
| No. of items | Cronbach's alpha |
Spearman-brown coefficient |
||
|---|---|---|---|---|
| Equal length | Unequal length | |||
| Part 1 |
6 |
0.85 |
0.91 | 0.91 |
| Part 2 | 6 | 0.74 | ||
Part 1: Itching aggravated at night, itching, dry skin, itching accompanied by pain, burning skin, insomnia.
Part 2: Thirst, mouth dryness, constipation, dark urine, fidgeting, irascibility.
