TY - JOUR
T1 - Testing the race inequality
T2 - A simple correction procedure for fast guesses
AU - Gondan, Matthias
AU - Heckel, A.
PY - 2008/10/1
Y1 - 2008/10/1
N2 - In speeded response tasks with redundant signals, parallel processing of the redundant signals is generally tested using the so-called race inequality. The race inequality states that the distribution of fast responses for a redundant stimulus never exceeds the summed distributions of fast responses for the single stimuli. It has been pointed out that fast guesses (e.g. anticipatory responses) interfere with this test, and a correction procedure ('kill-the-twin' procedure) has been suggested. In this note we formally derive this procedure and extend it to the case in which redundant stimuli are presented with onset asynchrony. We demonstrate how the kill-the-twin procedure is used in a statistical test of the race model prediction.
AB - In speeded response tasks with redundant signals, parallel processing of the redundant signals is generally tested using the so-called race inequality. The race inequality states that the distribution of fast responses for a redundant stimulus never exceeds the summed distributions of fast responses for the single stimuli. It has been pointed out that fast guesses (e.g. anticipatory responses) interfere with this test, and a correction procedure ('kill-the-twin' procedure) has been suggested. In this note we formally derive this procedure and extend it to the case in which redundant stimuli are presented with onset asynchrony. We demonstrate how the kill-the-twin procedure is used in a statistical test of the race model prediction.
UR - http://www.scopus.com/inward/record.url?scp=53649090946&partnerID=8YFLogxK
U2 - 10.1016/j.jmp.2008.08.002
DO - 10.1016/j.jmp.2008.08.002
M3 - Journal article
AN - SCOPUS:53649090946
SN - 0022-2496
VL - 52
SP - 322
EP - 325
JO - Journal of Mathematical Psychology
JF - Journal of Mathematical Psychology
IS - 5
ER -