Table 4.

Relative choice consistency over the course of 21 choice tasks

Study arm	1	2	3	4	5
Overlap	No	No	Yes	Yes	Yes
Presentation	No color	Shades of purple	No color	Highlighting	Shades of purple
δ tasks 1–3	0.83 [0.69, 0.97]**	0.80 [0.66, 0.95]**	1.09 [0.89, 1.32]	0.91 [0.74, 1.11]	1.04 [0.84, 1.26]
δ tasks 4–6	0.86 [0.72, 1.02]	0.90 [0.76, 1.06]	0.85 [0.68, 1.04]	0.79 [0.65, 0.95]	0.96 [0.79, 1.15]
δ tasks 7–9	1.04 [0.86, 1.25]	1.04 [0.87, 1.23]	0.99 [0.80, 1.21]	1.07 [0.87, 1.29]	0.99 [0.82, 1.20]
δ tasks 10–12	1.00 [0.83, 1.19]	0.93 [0.78, 1.10]	1.04 [0.85, 1.25]	0.87 [0.72, 1.05]	1.07 [0.88, 1.29]
δ tasks 13–15	1.03 [0.87, 1.22]	1.11 [0.93, 1.33]	1.11 [0.89, 1.38]	1.40 [1.13, 1.71]**	0.92 [0.75, 1.11]
δ tasks 16–18	1.18 [0.98, 1.40]	1.09 [0.90, 1.30]	0.94 [0.76, 1.14]	0.96 [0.78, 1.17]	0.91 [0.75, 1.10]
δ tasks 19–21	1.07 [0.89, 1.27]	1.14 [0.95, 1.36]	0.98 [0.79, 1.21]	1.00 [0.81, 1.21]	1.12 [0.91, 1.37]

Note. Mean posterior estimates of δ with 95% credible intervals (CI) in parentheses based on N = 2,731 completes.

^** 95% CI does not comprise 1.0.