Table 4 Comparison of internal reliability between face-to-face interview (FTFI) and self-administrated questionnaire (SAQ) groups
From: Comparison of the self-administered and interviewer-administered modes of the child-OIDP
Performances | FTFI group (n = 72) | SAQ group (n = 72) | ||
|---|---|---|---|---|
Item-total correlation + | Alpha if item deleted* | Item-total correlation + | Alpha if item deleted* | |
Eating | 0.24 | 0.52 | 0.44 | 0.46 |
Speaking | 0.30 | 0.49 | 0.15 | 0.56 |
Cleaning mouth | 0.16 | 0.53 | 0.36 | 0.49 |
Sleeping | 0.19 | 0.53 | -0.04 | 0.57 |
Emotion | 0.42 | 0.50 | 0.15 | 0.55 |
Smiling | 0.38 | 0.47 | 0.41 | 0.46 |
Studying | 0.13 | 0.54 | 0.24 | 0.55 |
Social contact | 0.52 | 0.43 | 0.48 | 0.45 |
Cronbach's alpha* | 0.54 | 0.55 | ||