Rate of Conservative-to-Reform switching:
8%
16%
24%
8 point Con-to-Lab swing scenario
109 Lab seat gain from Con
153
205
10 point Con-to-Lab swing
129
179
237
12 point Con-to-Lab swing
153
205
254
Rate of Conservative-to-Reform switching:
8%
16%
24%
300 Lab seat gains from Con
254
237
200
205
205
179
153
153
129
100
109
0
8 point
10 point
12 point
Con-to-Lab swing