Table 2.

Correlations among all tasks.

	RS	CS	RoS	NBN	NBS	MUN	MUS	AS	ANI	K_1	K_2	K_3
RS	–	0.67*	0.40*	0.33*	0.27*	0.34*	0.35*	0.14	0.22*	0.21*	0.24*	0.17
CS	0.40*	–	0.44*	0.38*	0.32*	0.47*	0.32*	0.19	0.13	0.23*	0.21*	0.16
RoS	0.31*	0.29*	–	0.41*	0.38*	0.36*	0.41*	0.38*	0.26*	0.33*	0.34*	0.25*
NBN	0.09	0.27*	0.43*	–	0.66*	0.42*	0.57*	0.49*	0.43*	0.48*	0.57*	0.37*
NBS	0.15	0.23*	0.49*	0.69*	–	0.35*	0.46*	0.52*	0.36*	0.50*	0.50*	0.39*
MUN	0.45*	0.34*	0.40*	0.47*	0.48*	–	0.50*	0.36*	0.33*	0.37*	0.37*	0.32*
MUS	0.32*	0.36*	0.54*	0.35*	0.41*	0.51*	–	0.45*	0.33*	0.39*	0.37*	0.43*
AS	0.26*	0.29*	0.40*	0.42*	0.37*	0.32*	0.45*	–	0.63*	0.53*	0.50*	0.52*
ANI	0.27*	0.18	0.39*	0.31*	0.31*	0.36*	0.41*	0.75*	–	0.47*	0.47*	0.44*
K_1	0.36*	0.27*	0.45*	0.29*	0.39*	0.42*	0.48*	0.59*	0.56*	–	0.58*	0.48*
K_2	0.39*	0.24*	0.38*	0.34*	0.32*	0.43*	0.52*	0.61*	0.59*	0.67*	–	0.46*
K_3	0.30*	0.26*	0.36*	0.17	0.28*	0.35*	0.44*	0.50*	0.52*	0.69*	0.56*	–

Younger adults below the diagonal (N = 101), older adults above the diagonal (N = 103); RS, reading span; CS, counting span; RoS, rotation span; NBN, n-back numerical; NBS, n-back spatial; MUN, memory updating numerical; MUS, memory updating spatial; AS, alpha span; ANI, animal span; α, internal consistencies (Cronbach's alpha); K_1, reasoning, Parcel 1 (BIS test); K_2, reasoning, Parcel 2 (BIS test); K_3, reasoning, Parcel 3 (BIS test).

*p < 0.05.