Mathematical models for coordinated interpersonal timing in mother-infant interactions in the first year of life |
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Authors: | Cynthia L. Crown David C. Flaspohler Stanley Feldstein Joseph Jaffe Beatrice Beebe Michael Jasnow |
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Affiliation: | (1) Xavier University, 45207-4441 Cincinnati, OH;(2) University of Maryland Baltimore County, 45227 Baltimore, MD;(3) Columbia University, 10032 New York, New York;(4) Department of Psychology, Xavier University, 45207-6511 Cincinnati, OH |
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Abstract: | Two mathematical models of social contingency are examined in terms of their development over the first year of life. The interactions of 53 mothers and their infants were recorded at 6 weeks, 4 months, and 12 months. The infants' gazes at 6 weeks, the mothers' vocal behavior at 6 weeks, and the vocal behavior of the mother and infant at 4 and 12 months were automatically coded in terms of four states. The conditional dependence model and the response effects model were computed for each interaction at each age, and the coefficients of the models were examined as a function of age. The relative success of the models as estimates of moment-to-moment contingency as well as their variations with age are discussed. |
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