Table 1.

Factorial stratification including questionnaire return statistics.

Variant	Season	Sequence	Order of Response Alternatives	Location	n Returns (Cooperation Rate)
A	Autumn	5-point → 11-point	ascending	early	161 (31%)
B	Autumn	5-point → 11-point	ascending	late	157 (30%)
C	Autumn	5-point → 11-point	descending	early	164 (31%)
D	Autumn	5-point → 11-point	descending	late	142 (27%)
E	Autumn	11-point → 5-point	ascending	early	136 (26%)
F	Autumn	11-point → 5-point	ascending	late	146 (28%)
G	Autumn	11-point → 5-point	descending	early	152 (29%)
H	Autumn	11-point → 5-point	descending	late	136 (26%)
A	Spring	5-point → 11-point	ascending	early	154 (29%)
B	Spring	5-point → 11-point	ascending	late	146 (28%)
C	Spring	5-point → 11-point	descending	early	151 (29%)
D	Spring	5-point → 11-point	descending	late	156 (30%)
E	Spring	11-point → 5-point	ascending	early	135 (26%)
F	Spring	11-point → 5-point	ascending	late	150 (29%)
G	Spring	11-point → 5-point	descending	early	155 (30%)
H	Spring	11-point → 5-point	descending	late	145 (28%)