Behavioral and Brain Functions

Table 1 Fits of power, logarithmic and linear models for individual children in Years 1-3

From: Representational change and strategy use in children's number line estimation during the first years of primary school

Year 1 n = 13					Year 2 n = 19					Year 3 n = 19
Power			Log	Linear	Power			Log	Linear	Power			Log	Linear
1-cycle or 2-cycle	β	R ²	R ²	R ²	1-cycle or 2-cycle	β	R ²	R ²	R ²	1-cycle or 2-cycle	β	R ²	R ²	R ²
1	0.78	0.70	0.85	0.78	2	0.53	0.69	0.85	0.94	1	1	0.88	0.98	0.97
1	0.7	0.62	0.71	0.77	1	0.73	0.73	0.85	0.79	1	0.82	0.88	0.89	0.88
1	0.84	0.91	0.93	0.95	1	1	0.98	0.90	0.98	1	1	0.98	0.94	0.99
1	0.88	0.71	0.74	0.73	2	0.81	0.96	0.89	0.98	1	0.88	0.63	0.68	0.79
1	1	0.85	0.75	0.86	1	0.97	0.93	0.96	0.93	1	1	0.99	0.95	0.99
1	0.92	0.95	0.89	0.97	1	0.89	0.84	0.87	0.93	1	1	0.92	0.92	0.98
2	0.75	0.89	0.92	0.92	2	0.75	0.89	0.88	0.97	2	0.8	0.91	0.93	0.98
1	0.47	0.24	0.28	0.22	1	0.74	0.96	0.92	0.99	1	0.67	0.43	0.76	0.62
1	1	0.75	0.77	0.87	2	0.93	0.98	0.91	0.99	1	0.93	0.79	0.89	0.86
1	0.73	0.74	0.79	0.73	1	0.69	0.80	0.89	0.79	1	0.98	0.97	0.96	0.97
1	1	0.74	0.77	0.77	1	1	0.94	0.89	0.98	1	0.83	0.81	0.92	0.98
2	0.69	0.96	0.94	0.97	1	1	0.91	0.88	0.94	1	0.76	0.80	0.85	0.84
1	1	0.93	0.96	0.95	1	1	0.98	0.91	0.99	1	1	0.99	0.94	0.99
2	0.53	0.87	0.91	0.95	2	0.65	0.96	0.86	0.96
					1	0.95	0.81	0.92	0.99	1	1	0.97	0.96	0.98
					2	0.96	0.97	0.94	0.99	1	0.84	0.87	0.97	0.99
					1	1	0.95	0.94	0.98	1	1	0.93	0.94	0.95
					1	1	0.97	0.87	0.90	1	0.96	0.99	0.94	0.99
					1	0.93	0.88	0.95	0.90	1	1	0.96	0.92	0.97

For the power model it indicates whether a 1- or 2-cycle model was better supported by the data and the corresponding coefficient of determination (R²) and shape of the function (β). For logarithmic and linear models best supported by individual data, the R² values are reported.

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ISSN: 1744-9081

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