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Table 2 Descriptive statistics and reliability estimates for the cognitive ability measures

From: Attentional disengagements in educational contexts: a diary investigation of everyday mind-wandering and distraction

Measure M SDS Skew Kurtosis Reliability
Ospan 58.19 11.33 −1.01 .73 .76
Symspan 30.08 6.28 −.48 −.03 .65
Rspan 56.40 11.62 −.88 .73 .77
Raven 8.55 2.93 −.20 −.03 .67
LS 10.34 2.95 −.10 −.30 .68
Anti .49 .13 .69 .07 .95
SARTacc .56 .15 .13 −.38 .85
SARTSD 146.17 39.70 .56 1.29 .83
PVT 540.62 117.98 1.28 1.80 .78
AntiMW .18 .24 1.68 2.59
SARTMW .22 .19 1.09 1.04
PVTMW .18 .18 1.16 1.06
AntiED .11 .16 2.15 5.47
SARTED .14 .12 .92 .48
PVTED .13 .15 2.04 5.95
  1. Ospan = operation span; Rspan = reading span; Symspan = symmetry span; Raven = Raven Advanced Progressive Matrices; LS = letter sets; NS = Anti = antisaccade; SARTacc = accuracy on Sustained Attention to Response Task; SARTSD = standard deviation of response time on the Sustained Attention to Response task; PVT = psychomotor vigilance task; ED = external distraction; MW = mind-wandering