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Table 3 Summary of results of the ANCOVAs performed for each ERP component using the peak latency and peak amplitude data

From: Development of the time course for processing conflict: an event-related potentials study with 4 year olds and adults

  N1 N2 P3 LPC
  F df F df F df F df
Peak Latency
Group (G) 31.7*** 1, 29 58.1*** 1, 29 57.53*** 1, 29   
Flanker (F) 4.41* 1, 30 <1 1, 30 8.09** 1, 30 8.37* 1, 13
Channel (Ch) <1 1.5, 43.9 <1 1.5, 46.1 <1 1.8, 53.8 1.66 1.5, 19.2
G × F <1 1, 29 <1 1, 30 1.31 1, 30   
G × Ch 3.17# 1.5, 43.9 <1 1.5, 46.1 1.22 1.8, 53.8   
F × Ch 2.49 1.6, 48.6 1.37 1.5, 45 1.78 2, 60 3.13# 2, 26
G × F × Ch <1 1.6, 48.6 1.16 1.5, 45 <1 2, 60   
Peak Amplitude
Group (G) 27.67*** 1, 29 24.49*** 1, 29 1.02 1, 29   
Flanker (F) 3.33# 1, 30 <1 1, 30 2.69 1, 30 3.54# 1, 13
Channel (Ch) <1 1.7, 52.3 3.07# 2, 60 15.63*** 1.6, 47.6 <1 2, 26
G × F 1.75 1, 30 <1 1, 30 4.13* 1, 30   
G × Ch 3.46* 1.7, 52.3 <1 2, 60 1.71 1.6, 47.6   
F × Ch <1 2, 60 1.26 2, 60 1.31 1.6, 48.7 2.84 1.4, 18.5
G × F × Ch <1 2, 60 <1 2, 60 1.72 1.6, 48.7   
  1. The number of segments used to compute the averaged ERPs was included as a covariate to account for group differences. Significance of effects: *** p < .001; ** p < .01; * p < .05; # p < .10.