Target vegetable liking ratings for the target vegetable at post-intervention (
), 4-week follow-up (
) and 3-month follow-up (
), for the control (post-intervention, n 61; 4 weeks, n 55; 3 months, n 57), EO (exposure only; post-intervention, n 34; 4 weeks, n 34; 3 months, n 35) and E+R (exposure plus reward; post-intervention, n 43; 4 weeks, n 40; 3 months, n 41) groups, in a randomized controlled trial conducted among children aged 4–6 years and their primary caregiver/parent, Adelaide, South Australia. Hedonics ratings represent ‘yummy’ above the ‘0’ point and ‘yucky’ below it. Values are means with their standard errors represented by vertical bars