Table 3.

Mean reliability coefficients, SDs, and range for each idiom property averaged over lists.

	D-coefficient		ICC(2,k)		Cronbach’s alpha		Krippendorff’s alpha
	Mean (SD)	Min–max	Mean (SD)	Min–max	Mean (SD)	Min-max	Mean (SD)	Min–max
Subjective Frequency	0.943 (0.023)	0.894–0.975	0.943 (0.023)	0.894–0.975	0.957 (0.015)	0.924–0.979	0.402 (0.090)	0.281–0.553
Familiarity	0.943 (0.024)	0.909–0.973	0.943 (0.024)	0.909–0.973	0.958 (0.016)	0.928–0.979	0.403 (0.096)	0.283–0.558
Usage	0.932 (0.033)	0.865–0.966	0.932 (0.033)	0.865–0.966	0.976 (0.020)	0.914–0.976	0.365 (0.089)	0.201–0.470
Transparency	0.866 (0.043)	0.771–0.912	0.866 (0.043)	0.771–0.912	0.905 (0.032)	0.834–0.947	0.201 (0.060)	0.109–0.305
Imageability	0.877 (0.056)	0.738–0.934	0.877 (0.056)	0.738–0.934	0.906 (0.038)	0.820–0.948	0.228 (0.076)	0.092–0.389