TABLE 2.

Performance on speech perception tests by children with cochlear implants

Linguistic Test	Score	Mean	SD	Range
Lexical Neighborhood Test (LNT)	% correct words at 70 dB SPL	76.7	18.7	0–96
	% correct words at 50 dB SPL	52.0	26.0	0–94
BKB Sentences in Noise	SNR-50* (dB)	9.8	4.6	4–23
Non-word Repetition (CNRep)	% total accuracy	26.9	21.7	0–85
	% correct consonants	73.3	17.4	22–97
	% correct number of syllables	84.7	16.1	20–100
	% correct syllable stress	65.1	19.2	20–100
Indexical Test	Score	Mean	SD	Range
Emotion Identification	% correct (chance=25%)	58.5	17.8	25–92
Emotion Discrimination	% correct (chance=50%)	89.8	10.2	54–100
Talker Discrimination Across-Gender	% correct (chance=50%)	89.0	12.6	53–100
Talker Discrimination Within-Female	% correct (chance=50%)	65.4	10.6	41–84

^*SNR-50 = Signal-to-Noise Ratio at which listener achieves 50%-correct speech understanding