Table 2.

Average vowel-, consonant-, word-, and phrase-classification accuracies (%) across participants on selected sensors and sensor combinations.

Sensor or sensor combination	Vowel classification	Consonant classification	Word classification	Phrase classification
{T1}	81.62***	80.82***	89.98***	91.82**
{T4}	85.59***	80.16***	89.61**	93.17
{UL}	62.38***	53.96***	74.34***	95.62
{LL}	73.29***	66.55***	84.51**	95.90 *
{T1, T4}	88.20***	88.02**	93.55**	92.97*
{T1, T4, UL}	90.66*	90.33	96.42	94.83
{T1, T4, LL}	90.78*	90.55**	95.59**	93.51**
{T1, T4, T2}	87.17***	87.54**	93.38**	93.73**
{T1, T4, T3}	87.29**	87.55**	91.49***	93.26*
{T1, T4, T2, T3}	86.57**	87.45*	92.10**	93.20*
{T1, T4, UL, LL}	91.67	91.8	96.88	95.08
{T1, T4, UL, LL} ∪ {T2}	91.37	91.26	96.21*	95.14
{T1, T4, UL, LL} ∪ {T3}	91.31	91.45	95.22*	95.55
{T1, T4, UL, LL} ∪ {T2, T3}	90.71	91.37	94.76*	95.12

Note. The highest accuracy in each category (column) is shown in bold. Indicated p values refer to significant differences between that sensor or sensor combination and A ({T1, T4, UL, LL}).

^* p < .05.

^** p < .01.

^*** p < .001.