UniODA vs. Chi-Square: Audience Effect on Smile Production in Infants

Paul R. Yarnold

Optimal Data Analysis, LLC

This study compares 10-month-old infant smile status and inter-glance interval for attentive versus inattentive mothers. Statistical analysis by chi-square found no significant effects, while UniODA found that infants with inattentive mothers smile less often, with greater inter-glance intervals.

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