Ben-Elia, E. and Ettema, D. (2011) Changing commuters' behav- ior ...

Table 3: Mean values of response and between-group differences
Money Yeti between-group
difference
Resp. Measurement N Mean s.d N Mean s.d t-stat Mann-
Whitney
U
Rush Preliminary Survey - S 232 89.9 15.44 108 89.8 13.25 0.03 12,153
Hour Pre test - R1 219 48.7 38.17 107 44.0 36.69 1.06 10,395
3€ - R2 229 22.4 28.66
7€ - R3 231 17.7 26.70
3-7€ - R4 230 17.8 26.88
No Credit - R5 109 31.0 31.26
Credit - R6 107 15.4 21.95
Post test - R7 225 47.3 38.91 101 37.6 37.64 2.22 9,808
Driving Preliminary Survey - S
Early Pre test - R1 219 22.7 33.03 107 22.0 33.06 0.20 11,489
3€ - R2 229 37.7 37.87
7€ - R3 231 41.8 38.05
3-7€ - R4 230 42.4 38.49
No Credit - R5 109 24.8 33.24
Credit - R6 107 33.8 37.12
Post test - R7 225 24.3 35.47 101 27.7 37.57 -0.78 10,768
Driving Preliminary Survey - S
Late Pre test - R1 219 10.1 22.29 107 20.3 31.32 -3.37 9,740
3€ - R2 229 17.7 27.64
7€ - R3 231 15.9 26.20
3-7€ - R4 230 15.9 27.15
No Credit - R5 109 24.1 32.19
Credit - R6 107 25.6 31.76
Post test - R7 230 15.9 27.15 101 19.1 31.87 -1.87 10,327
Not Preliminary Survey - S
Driving Pre test - R1 219 18.5 30.25 107 13.8 26.00 1.39 10,816
3€ - R2 229 22.2 30.70
7€ - R3 231 24.6 30.72
3-7€ - R4 230 23.9 32.73
No Credit - R5 109 20.1 28.50
Credit - R6 107 25.1 31.79
Post test - R7 225 15.6 29.02 101 15.6 30.28 0.02 11,086
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