The broader goals of ManyBabies come together in a set of collaborative projects. This page gives an (incomplete) overview of past and ongoing ManyBabies projects.

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ManyBabies Theory Paper

A statement of our broader goals as a group, available at https://psyarxiv.com/27b43/.

MB1: Infant-Directed Speech Preference

Topic: Do infants have a preference for infant-directed speech? How does this preference vary across age, method, and native language background?

Leads: Michael Frank and Melanie Soderstrom

Status: Completed.

Links: OSF Project. Listserv.

MB1B: The Infant-Directed Speech Preference in Bilingual Infants

Topic: Is the preference for infant-directed speech modulated by bilingual language exposure?

Leads: Krista Byers-Heinlein

Status: Final post-data collection manuscript preparation.

Links: OSF Project. Listserv.

MB1L: longitudinal vocabulary followup

Topic: Followup study to MB1 measuring the relationship between infant-directed speech preference and later vocabulary.

Leads: Melanie Soderstrom

Status: Data collection ongoing.

Links: OSF Project.

MB1: native language comparison

Topic: How does IDS preference to NA English in MB1 compare to IDS preference measured in non-English speaking babies’ native language?

Leads: Melanie Soderstrom

Status: Stimulus creation and data collection.

Links: Contact leads for more information.

MB1: test-retest followup

Topic: How reliable is the looking-time measure collected in MB1?

Leads: Melanie Schreiner

Status: Final post-data collection manuscript preparation.

Links: Contact leads for more information.

MB1: Africa

Topic: Do infants growing up in a range of African nations show a preference for infant-directed speech?

Leads: Angeline Tsui, Casey Lew-Williams, Michael Frank

Status: Planning and training prior to data collection.

Links: Contact leads for more information.

MB1: Other followups

  • Comparison to meta-analytic data (leads: Christina Bergmann, Riccardo Fusaroli)
  • Analysis of supplemental demographic variables (lead: Melissa Kline)

MB2: Theory of Mind in Infancy

Topic: Do infants show anticipatory looking that reflects the false belief of another agent?

Leads: Hannes Rakoczy, Tobias Schuwerk, Dora Kampis, Michael Frank

Status: Pilot data collection completed.

Links: OSF project page. Listserv.

MB3: Rule Learning

Topic: Do infants learn and generalize identity-based rules from speech stimuli?

Leads: Ingmar Visser, Clartje Levelt

Status: Stimulus creation ongoing.

Links: OSF Project. Listserv.

MB4: Moral Evaluation

Topic: Do infants prefer agents who are seen to help over those who are seen to hinder?

Leads: Kelsey Lucca, Kiley Hamlin

Status: Pilot data collection is completed.

Links: OSF Project. Listserv.

New Projects

If you are interested in leading a new ManyBabies project, please contact the ManyBabies governing board at manybabies-gb@lists.stanford.edu.