Features of the dominant response - frication:

shortname	Name in Tables	Description of variable:
efric	Initial frication	Presence/absence of a fricative or affricate in the initial consonant is a variable that has been reported to influence the time required for a response to register on the voice key. Items that have a dominant name with a fricative as initial consonant were specified by a dichotomous variable (1 = dominant name starts with a fricative; 0 = does not). Examples of initial frication in a word: challenge, fountain, his, shower, skate, vowel, zebra, jargon, this).