Do small dual-task costs reflect ideomotor compatibility or the absence of crosstalk?

Psychonomic Bulletin & Review (2015) - Comment
pubmed: 25754530 doi: 10.3758/s13423-015-0813-8 issn: 1531-5320 issn: 1069-9384

Kimberly M. Halvorson, Eliot Hazeltine