Table 2.

Sample sizes, reliabilities, variabilities, and the signal-to-noise ratio for 24 cognitive control tasks

	Sample sizes			Reliability		Sample		Parameters		Ratio
	Obs	Indv	Rep	Full	Split	Effect	$s_d$	$\widehat{\sigma }$	${\widehat{\sigma }}_{\theta }$	$\widehat{\eta }$
Stroop
1. von Bastian	11,245	121	46	0.24	0.34	64	47	198	22	0.11
2. Hedge	43,408	53	410	0.83	0.75	69	32	188	29	0.16
3. Pratte i	11,114	38	146	0.61	0.68	91	50	264	36	0.14
4. Pratte ii	12,565	38	165	0.19	-0.07	12	20	160	15	0.10
5. Rey-Mermet i	48,937	264	93	0.40	0.57	54	30	155	18	0.12
6. Rey-Mermet ii	48,966	261	94	0.86	0.84	59	69	174	64	0.36
7. Whitehead i	122,547	178	344	0.70	0.71	76	53	378	44	0.12
8. Whitehead ii	133,966	194	345	0.56	0.63	78	52	408	37	0.09
9. Whitehead iii	125,979	210	300	0.57	0.51	116	50	402	37	0.09
Simon
10. von Bastian	23,453	121	97	0.60	0.61	79	36	128	28	0.22
11. Pratte i	17,343	38	228	0.46	0.62	17	24	186	18	0.10
12. Pratte ii	12,266	38	161	0.57	0.51	30	30	175	23	0.13
13. Whitehead i	127,036	178	357	0.71	0.72	67	29	205	24	0.12
14. Whitehead ii	139,332	194	359	0.56	0.59	66	26	212	19	0.09
15. Whitehead iii	125,953	210	300	0.66	0.66	102	28	201	23	0.11
Flanker
16. von Bastian	11,215	121	46	-0.02	-0.55	2	32	152	15	0.10
17. Hedge	43,384	53	409	0.80	0.79	44	16	100	15	0.15
18. Rey-Mermet i	49,300	265	93	0.18	0.17	30	24	147	13	0.09
19. Rey-Mermet ii	39,275	207	95	0.87	0.87	36	43	107	40	0.37
20. Whitehead i	126,987	178	357	0.62	0.61	47	33	265	25	0.10
21. Whitehead ii	139,103	194	359	0.19	0.19	32	26	272	14	0.05
22. Whitehead iii	125,918	210	300	0.38	0.41	61	30	290	19	0.07
Other
23. Rouder i	11,346	52	109	0.37	0.35	50	28	165	19	0.11
24. Rouder ii	16,859	58	145	0.62	0.62	142	72	351	53	0.15
Mean	65,312	145	223	0.52	0.51	59	37	220	27	0.14
Median	46,172	178	197	0.57	0.61	60	31	193	23	0.11

Note. All sample sizes and estimates reflect cleaned data. See the Appendix for our cleaning steps which differ from those of the original authors