Table 2.

Table of means for each of the task conditions by age of the participants

		Age in years
Task condition		4	5	6	6	7	8	9	10	11	13	26	Average	Tukey results
Accuracy (percentage of correct responses)
	Pictures	91.67	87.59	93.92	88.07	85.26	88.03	86.14	91.45	91.08	92.25	100.00	98.23	A
	Arrows	83.36	79.11	90.22	77.87	73.67	77.97	80.22	78.38	84.63	88.19	95.19	90.06	B
Dots	Congruent	96.33	94.96	98.61	96.00	96.86	99.65	99.30	99.67	99.62	99.55	98.50	91.47	B
	Incongruent	86.93	86.12	92.62	88.05	88.77	90.46	89.51	93.83	96.38	95.02	89.73	76.37	D
	Mixed	68.57	68.03	77.37	71.24	71.97	73.70	74.94	76.96	81.71	85.81	96.22	82.71	C
Abstract Shapes	Two-shapes	88.95	88.96	90.34	87.69	84.82	88.00	87.38	88.65	89.91	94.95	96.80	89.68	B
	Six-shapes	76.87	77.16	87.39	73.29	72.60	73.97	81.34	78.42	79.16	86.46	89.92	79.69	C
Average		84.67	83.13	90.07	83.17	81.99	84.54	85.55	86.77	88.93	91.75	95.19
Reaction time (in ms)
	Pictures	1037.48	952.67	881.20	665.55	602.25	563.40	513.95	523.65	471.02	473.79	422.08	646.09	C
	Arrows	1121.28	1150.60	1090.42	797.73	725.57	683.07	613.12	651.77	578.04	555.46	465.25	766.57	B E
Dots	Congruent	775.37	684.58	677.37	474.53	412.12	395.05	356.87	341.13	331.46	323.87	271.30	458.51	A
	Incongruent	1023.12	905.75	875.02	619.87	546.27	501.63	444.02	451.83	398.09	402.87	321.28	589.98	C D
	Mixed	1172.32	1195.47	1177.00	787.10	728.18	725.98	644.72	654.15	597.36	593.85	562.98	803.55	E
Abstract Shapes	Two-shapes	892.80	853.88	795.17	608.15	552.03	520.58	478.38	463.13	436.23	434.56	371.40	582.39	D
	Six-shapes	1121.20	1038.10	987.53	726.72	694.15	662.98	640.55	612.53	592.23	568.29	532.93	743.38	B
Average		1020.51	968.72	926.24	668.52	608.65	578.96	527.37	528.31	486.35	478.95	421.03
Percentage of anticipatory responses
	Pictures	12.17	12.17	6.67	6.83	8.33	4.00	2.17	0.67	1.79	0.77	0.50	5.10	E
	Arrows	19.33	17.00	9.00	21.33	23.17	18.67	10.83	9.00	6.96	2.31	0.50	12.56	B
Dots	Congruent	13.83	10.67	2.67	6.33	7.17	6.83	5.50	6.83	6.25	5.38	2.75	6.75	A
	Incongruent	21.17	15.33	8.33	11.50	10.33	8.33	8.83	5.50	2.68	3.85	0.25	8.74	A
	Mixed	28.67	21.00	15.00	23.00	25.50	26.67	16.17	11.33	5.18	4.42	3.50	16.40	D
Abstract Shapes	Two-shapes	18.00	11.50	7.75	8.42	7.08	6.58	3.67	4.42	2.50	1.35	0.88	6.56	A E
	Six-shapes	18.00	17.83	11.58	15.33	15.33	13.83	6.08	5.83	4.73	2.98	2.75	10.39	B C
Average		18.74	15.07	8.71	13.25	13.85	12.13	7.61	6.23	4.30	3.01	1.59