Postpartum depression; maternal; paternal; language development; synchrony, meaning


This paper presents a quasi meta-analysis of 16 different articles published between 2004 and 2014 examining the impact of maternal and paternal postpartum depression (hereafter PPD) on language development, specifically in infants up to 2 years old. The purpose of this meta-analysis was to adapt this methodology at the undergraduate level reducing the number of steps from 12 to 10. To achieve this goal, the author synthesized the results of the studies following selected themes of risk factors, synchrony and interaction patterns, meaning making, and connections within the family system. While significant results were reported throughout the studies, a presenting problem for the meta-analysis was the lack of consistency in the reporting of effect sizes, and in the type of reported effect sizes. This barrier is most likely reflective of the recent implementation (6th ed., 2010) by the Publication Manual of the American Psychological Association to report effect size statistics for publication. Further, the body of literature concerning postpartum depression in fathers is considerably smaller as was the combination with the relationship between mother and infant, and mother and father. We discuss how these particular limits signal where the effort of the scientific community should focus.

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