bottle in the sequence. As for the ingestion ratio, the mouthing
score ranged from 0 to 1. No score was calculated when the control
bottle was not mouthed. The smell differential reactivity score for
assessing within-subject reaction variability was defined as the
standard deviation of the olfactory scores for each odour. The
higher the smell differential reactivity score, the greater the
disparity was in the toddler's reactions to the different odours.
Scentless Mineral oil