Appendix G: model 2. Conjoint analysis with interactions; Involvement and Payment Method
Variables in the Equation
|
|
B
|
S.E.
|
Wald
|
df
|
Sig.
|
Exp(B)
|
Step 1a
|
Cust_Rat
|
1,403
|
,216
|
42,375
|
1
|
,000
|
4,067
|
Top_Dev_Hal
|
,306
|
,266
|
1,324
|
1
|
,250
|
1,358
|
Best_Sel_Rank
|
-,153
|
,209
|
,539
|
1
|
,463
|
,858
|
Edit_Choice
|
1,055
|
,374
|
7,977
|
1
|
,005
|
2,873
|
Price
|
-1,952
|
,243
|
64,632
|
1
|
,000
|
,142
|
OBJ_INVOLV
|
-,002
|
,119
|
,000
|
1
|
,990
|
,998
|
Dummy_Pay
|
,226
|
,189
|
1,431
|
1
|
,232
|
1,254
|
PAY_CR
|
-,309
|
,141
|
4,813
|
1
|
,028
|
,735
|
PAY_TDH
|
-,097
|
,171
|
,323
|
1
|
,570
|
,907
|
PAY_BSR
|
,127
|
,132
|
,930
|
1
|
,335
|
1,135
|
PAY_ECH
|
-,588
|
,244
|
5,810
|
1
|
,016
|
,555
|
PAY_PRICE
|
,246
|
,154
|
2,546
|
1
|
,111
|
1,279
|
INV_CR
|
-,100
|
,087
|
1,338
|
1
|
,247
|
,905
|
INV_TDH
|
,011
|
,109
|
,011
|
1
|
,917
|
1,011
|
INV_BSR
|
,156
|
,086
|
3,272
|
1
|
,070
|
1,169
|
INV_ECH
|
-,080
|
,151
|
,278
|
1
|
,598
|
,923
|
INV_PRICE
|
,169
|
,096
|
3,120
|
1
|
,077
|
1,185
|
Constant
|
-,233
|
,402
|
,335
|
1
|
,563
|
,792
|
a. Variable(s) entered on step 1: Cust_Rat, Top_Dev_Hal, Best_Sel_Rank, Edit_Choice, Price, OBJ_INVOLV, Dummy_Pay, PAY_CR, PAY_TDH, PAY_BSR, PAY_ECH, PAY_PRICE, INV_CR, INV_TDH, INV_BSR, INV_ECH, INV_PRICE.
|
Model Summary
|
Step
|
-2 Log likelihood
|
Cox & Snell R Square
|
Nagelkerke R Square
|
1
|
1742,787a
|
,409
|
,546
|
Classification Tablea
|
|
Observed
|
Predicted
|
|
Respondents choice between option 1 and 2
|
Percentage Correct
|
|
Option #1 is chosen
|
Option #2 is chosen
|
Step 1
|
Respondents choice between option 1 and 2
|
Option #1 is chosen
|
764
|
227
|
77,1
|
Option #2 is chosen
|
189
|
848
|
81,8
|
Overall Percentage
|
|
|
79,5
|
a. The cut value is ,500
|
Model Equation:
Choice 2 = >0 = – 1.952Price + 1.403CR + 1.055ECH – 0.309PAY*CR - 0.588PAY*ECH + є
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