Appendix 1—table 2. Influences on exploratory choice including WASI scores.

	Odds ratio	95% confidence interval	Χ 2	p
Intercept	1.00	[0.95, 1.05]
Expected Value	3.31	[2.92, 3.75]	167.4	<0.001
Uncertainty	0.87	[0.81, 0.93]	16.0	<0.001
Novelty	1.35	[1.29, 1.42]	104.0	<0.001
Expected Value × Age	1.29	[1.14, 1.46]	15.8	<0.001
Uncertainty × Age	0.89	[0.83, 0.95]	12.6	<0.001
Novelty × Age	1.04	[0.99, 1.09]	2.1	0.145
Expected Value × WASI	1.33	[1.17, 1.50]	19.1	<0.001
Uncertainty × WASI	0.96	[0.90, 1.02]	1.5	0.217
Novelty × WASI	1.06	[1.01, 1.11]	5.0	0.025
EV × Age × WASI	1.06	[0.94, 1.19]	1.1	0.288
Uncertainty × Age × WASI	0.96	[0.90, 1.02]	2.0	0.158
Novelty × Age × WASI	1.01	[0.97, 1.06]	0.4	0.532