Figure 2. Multiple baseline data for two 3 year-old children in baseline (to the left of the dashed horizontal line) and post-baseline (to the right of the dashed horizontal line). The dashed horizontal line represents the intervention. A change in level is evident only at the time baseline ends and after the intervention. Both children scored at chance (about 50%) on all trials before the “faces of health” intervention; both children scored 100% on all trials following the intervention. Two trials were conducted each day

From

Performance on a Food Health Assessment Using Emoticons with Pre-Literacy-Aged Children

Gregory J. Privitera, Stephanie I. Vogel, Danielle E. Antonelli

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