TABLE 3 The Bias Measure* When Measurement Error Exists in the Income Variable,,,,,,,,,
,Classical,,,,,Berkson,,,
Parameters,"  sI
sign",0,0.1 µI,0.2 µI,0.3 µI,0,0.1 µI,0.2 µI,0.3 µI
Purchase,, , , , , , , ,
b0 Intercept ,(–),2,5,–2,2,–1,1,–2,2
b1 Age ,(+),–1,1,1,2,–1,1,0,–1
b2 Gender ,(+),3,–2,–1,–2,1,–2,2,2
b3 Income ,(+),2,–13,–32,–37,3,–26,–15,–2
b4 Petrol price ,(–),–8,–19,6,–6,0,–3,5,–8
Recreation ,,,,,,,,,
b5 Intercept ,(–), , , , , , , ,  
b6 Age ,(–),–4,1,4,5,–7,7,–3,8
b7 Gender ,(–),1,0,–2,0,1,–1,–1,0
b8 Income ,(–),6,–3,1,7,8,–2,1,–1
b9 Petrol price ,(+),–2,2,13,21,0,–1,8,0
* This is the mean of 100  over the replications.,,,,,,,,,