3.4. Results
3.4.1. Behavioral discrimination task
One older adult did not complete the task due to tiredness. There
was no significant difference between the groups in the number of
McGurk /da/ illusions perceived (Younger mean (M) ¼ 72% SE ¼
8.78, Older M ¼ 75% SE ¼ 6.12; t [1,43] ¼ 0.33, p ¼ 0.740), or the
number of congruent /ba/ or /ga/ syllables correctly identified
(YoungerM ¼ 99% SE ¼ 0.3, Older M¼ 95% SE ¼ 2.5; t [1,43] ¼ 1.48,
p ¼ 0.146).