Table 2. Number of calculations of the Experiment 2 as a function of Congruency (congruent vs. incongruent) for the passive (a) and active (b) mode.

	Congruency	Number of calculations
(a) Passive mode (elevator)	Congruent	10	Additions 10.64
			Subtractions 9.29
	incongruent	10.1	Additions 10.64
			Subtractions 9.57
(b) Active Mode (stairs)	congruent	10.1	Additions 10.79
			Subtractions 9.36
	incongruent	9.8	Additions 10.54
			Subtractions 9.11

The last column indicated the number of calculations keeping separate the addition and subtraction.