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Frequency of maternal direct mirroring (facial/gestural and vocal) and intention mirroring during the interaction phases (i.e., phases 1 and 3) of the MSFP. Total values represent data collapsed over phases 1 and 3. y axis indicate square root transformed frequency values. The values were adjusted for the total length of time for which codable data were available in each respective phase of the MSFP. Error bars represent the standard error of the mean.
* p < .05, ** p < .001
