Table 1.

Summary of trial types in experiments 1 and 2

First cue: defines rule (±modality)	Second cue: defines action
Specified: 1, 2 (height)	Apply rule: 4 targets
	Apply rule: 2 targets
	Rule irrelevant: 1 target specified
Specified: 4, 5 (color)	Apply rule: 4 targets
	Apply rule: 2 targets
	Rule irrelevant: 1 target specified
Choose: 3 (height)	Apply rule: 4 targets
	Apply rule: 2 targets
	Rule irrelevant: 1 target specified
Choose: 6 (color)	Apply rule: 4 targets
	Apply rule: 2 targets
	Rule irrelevant: 1 target specified
No-rule: 7	Choose action: 4 targets
	Choose action: 2 targets
	Specified action: 1 target
Null event: 8	Null

Note: The left hand column numbers refer to the rule cue types listed in the methods section. Heights were used in both experiments 1 and 2, but colors only in experiment 1.