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Studies from ManyBabies 1: Infant-Directed Speech Preference.

manybabies2020.Rd

Meta-analytic data collected from the ManyBabies Consortium, including 108 effect sizes, aimed at assessing the overall replicability of theoretically-important phenomenon and examing the methodological, situational, cultural, and developmental moderators on infant's preference for infant-directed speech (IDS) over adult-directed speech (ADS)

Usage

data(manybabies2020)

Format

A dataset with 108 rows and 8 variables.

  • lab: name of the lab which observed the effect

  • es_id: unique id for each effect size

  • yi: observed effect sizes, expressed as Cohen's d

  • vi: sampling variance (SE^2)

  • ni: sample size for each observed effect

  • age_group: age category for each observed effect

  • method: method used for each observed effect

  • nae: whether North American English stimuli were used

  • age_mo: mean age of babies (in months) for each observed effect

  • age_mo_centered: mean-centered age of babies (in months) for each observed effect

Source

https://github.com/manybabies/mb1-analysis-public

References

ManyBabiesConsortium (2020). “Quantifying sources of variability in infancy research using the infant-directed-speech preference.” Advances in Methods and Practices in Psychological Science, 3(1), 24--52.