Table 1.

Descriptive statistics for speed tasks with mean response times (and standard deviations) in milliseconds, mean compound scores, diffusion model parameters, and effect sizes (Cohen’s d) across stimuli set sizes (2 vs. 4 vs. 6) within tasks.

Tasks		Set Size	M RT	M err	a	v	Ter	dRT (95%-CI)	derr (95%-CI)
Change detection	Color	2	665 (135)	0.08 (0.06)	0.13 (0.03)	0.21 (0.06)	0.38 (0.07)
		4	843 (210)	0.15 (0.06)	0.13 (0.03)	0.15 (0.05)	0.49 (0.09)	1.00 [0.73; 1.28]	1.10 [0.82; 1.38]
		6	949 (253)	0.25 (0.07)	0.13 (0.03)	0.09 (0.04)	0.53 (0.12)	1.35 [1.06; 1.64]	2.60 [2.24; 2.95]
	Letter	2	563 (97)	0.04 (0.03)	0.13 (0.03)	0.27 (0.06)	0.32 (0.05)
		4	729 (135)	0.09 (0.06)	0.14 (0.03)	0.19 (0.05)	0.40 (0.07)	1.42 [1.13; 1.71]	0.96 [0.68; 1.23]
		6	981 (224)	0.16 (0.08)	0.16 (0.03)	0.12 (0.03)	0.50 (0.10)	2.43 [2.09; 2.77]	1.88 [1.56; 2.19]
Comparison	Figure	2	954 (160)	0.05 (0.04)	0.15 (0.03)	0.22 (0.05)	0.64 (0.09)
		4	1307 (248)	0.07 (0.06)	0.19 (0.04)	0.16 (0.04)	0.78 (0.13)	1.70 [1.40; 2.00]	0.31 [0.05; 0.57]
		6	1739 (402)	0.11 (0.08)	0.21 (0.05)	0.11 (0.03)	1 (0.20)	2.57 [2.22; 2.92]	0.88 [0.61; 1.16]
	Number	2	767 (101)	0.03 (0.03)	0.12 (0.02)	0.31 (0.06)	0.58 (0.06)
		4	1072 (221)	0.07 (0.04)	0.15 (0.03)	0.19 (0.04)	0.70 (0.11)	1.78 [1.47; 2.10]	0.99 [0.72; 1.27]
		6	1563 (316)	0.06 (0.04)	0.21 (0.04)	0.14 (0.03)	0.91 (0.18)	3.40 [2.99; 3.80]	0.85 [0.57; 1.12]
	Mcompound
Substitution	Figure	2	500 (89)	0.01 (0.01)	0 (0.59)	-	-
		4	634 (87)	0.01 (0.02)	0 (0.60)	-	-	1.52 [1.22; 1.81]	0.24 [0; 0.50]
		6	748 (115)	0.02 (0.02)	0 (0.66)	-	-	2.40 [2.06; 2.74]	0.56 [0.30; 0.83]
	Letter	2	486 (90)	0.01 (0.02)	0 (0.67)	-	-
		4	703 (116)	0.04 (0.03)	0 (0.67)	-	-	2.08 [1.76; 2.41]	0.99 [0.72; 1.27]
		6	854 (147)	0.03 (0.03)	0 (0.66)	-	-	3.01 [2.64; 3.40]	0.80 [0.53; 1.07]

Note. M = mean; RT = response time; a = response criterion of the diffusion model; v = drift rate of the diffusion model; Ter = non-decision time of the diffusion model; d = Cohen’s d (Cohen 1969). Standard deviations are given in parentheses.