. Author manuscript; available in PMC: 2009 Jul 1.

Published in final edited form as: J Exp Child Psychol. 2007 Nov 26;100(3):225–233. doi: 10.1016/j.jecp.2007.10.003

Table 1.

Best fit line outcomes for children and monkeys regarding variance accounted for, the point of subjective equality (PSE), and the Weber fraction for each set of anchors

Anchors	Arithmetic Mean	Geometric Mean	Best Fit	R²	PSE	Weber fraction
1 and 9	5.0	3.0
Children			Linear	.945	4.57	.62
Monkeys			Linear	.913	4.51	.41
1 and 16	8.5	4.0
Children			Logarithmic	.902	4.45	.87
Monkeys			Logarithmic	.929	4.95	.65
2 and 18	10.0	6.0
Children			Logarithmic	.895	5.53	.49
Monkeys			Logarithmic	.939	6.75	.49
3 and 12	7.5	6.0
Children			Logarithmic	.875	5.72	.38
Monkeys			Logarithmic	.955	6.30	.34