|
LCS
|
WCS
|
WES
|
| Mode |
Model: 1 |
Model: 2 |
Model: 3 |
Model: 4 |
Model: 5 |
Model: 6 |
| Mail-only |
Reference |
Reference |
Reference |
Reference |
Reference |
Reference |
| Web (of Web+Mail) |
-3.78**(1.356) |
-3.78**(1.116) |
-2.67*(1.132) |
-2.67**(.983) |
-3.52(2.274) |
-3.52*(1.583) |
| Mail (of Web+Mail) |
1.11(1.356) |
1.11(1.116) |
3.03**(1.132) |
3.03**(.983) |
3.76(2.274) |
3.76*(1.583) |
| Question Format3
|
|
|
|
|
|
|
| Screened |
– |
10.17***(1.409) |
– |
6.92***(1.193) |
– |
6.87***(1.852) |
| Multi-Item |
– |
2.78*(1.134) |
– |
2.55**(.987) |
– |
15.26***(1.655) |
| Ordinal |
– |
-11.98***(1.709) |
– |
-13.14***(1.757) |
– |
7.52*(3.010) |
| Y/N |
– |
1.66(1.926) |
– |
-2.20(1.738) |
– |
0.33(2.994) |
| Other Nominal |
– |
-8.60***(2.041) |
– |
-11.31***(1.647) |
– |
-4.37(3.221) |
| Open-Ended |
– |
Reference |
– |
Reference |
– |
Reference |
| Question Type4
|
|
|
|
|
|
|
| Demographic |
– |
Reference |
– |
Reference |
– |
Reference |
| Other Factual |
– |
-11.72***(2.292) |
– |
-6.17***(1.859) |
– |
-11.43***(2.078) |
| Attitudinal |
– |
2.31(1.878) |
– |
2.01(1.743) |
– |
-19.35***(2.477) |
| Behavioral |
– |
3.34(1.907) |
– |
1.03(1.633) |
– |
-29.44***(2.263) |
| R2 |
0.05*** |
0.38*** |
0.07*** |
0.32*** |
0.03** |
0.55*** |
| N |
276 |
276 |
330 |
330 |
288 |
288 |