BMC Ear, Nose and Throat Disorders

Table 4 Results from internal consistency (Cronbach’s α) and results from correlation between the formats (Pearson), N = 53

From: The use of research questionnaires with hearing impaired adults: online vs. paper-and-pencil administration

	Cronbach’s α		Paper x Internet
	Paper	Internet	Correlation^a
HHIE	0.92	0.92	0.86
IOI-HA	0.82	0.82	0.84
SADL	0.76	0.75	0.56
HADS	0.84	0.85	0.67

^aAll correlations are significant at the P = .001 level.

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