The Assignment of Scores Procedure for Ordinal Categorical Data

Table 6

Results of using different formulae under the same distribution scores.

	Worse	Stationary	Slight	Moderate	Marked
Total frequencies	12	66	58	42	18
Proportions	0.061224	0.336735	0.295918	0.214286	0.091837
Ridit scores	0.030612; (0.03043)	0.229592; (0.228588)	0.545918; (0.545036)	0.80102; (0.800381)	0.954082; (0.953808)
Normal scores	−1.87187; (−1.83849)	−0.74019; (−0.73567)	0.115356; (0.114767)	0.845272; (0.839809)	1.685788; (1.66233)
Logistic scores	−3.45526; (−3.78093)	−1.21062; (−1.3212)	0.184192; (0.18643)	1.392684; (1.439734)	3.033884; (3.338361)
Lognormal scores	0.153836; (0.146667)	0.477022; (0.481287)	1.122272; (1.15068)	2.32861; (2.444555)	5.396699; (6.654603)