Quantifying Sources of Variability in Infancy Research Using the Infant-Directed-Speech Preference

Michael C. Frank; Katherine Jane Alcock; Natalia Arias-Trejo; Gisa Aschersleben; Dare Baldwin; Stéphanie Barbu; Elika Bergelson; Christina Bergmann; Alexis K. Black; Ryan Blything; Maximilian P. Böhland; Petra Bolitho; Arielle Borovsky; Shannon M. Brady; Bettina Braun; Anna Brown; Krista Byers-Heinlein; Linda E. Campbell; Cara Cashon; Mihye Choi; Joan Christodoulou; Laura K. Cirelli; Stefania Conte; Sara Cordes; Christopher Cox; Alejandrina Cristia; Rhodri Cusack; Catherine Davies; Klerk M de; Luche C Delle; LD Ruiter; Dhanya Dinakar; Kate C. Dixon; Virginie Durier; Samantha Durrant; Christopher Fennell; Brock Ferguson; Alissa Ferry; Paula Fikkert; Teresa Flanagan; Caroline Floccia; Megan Foley; Tom Fritzsche; Rebecca L.A. Frost; Anja Gampe; Judit Gervain; Nayeli Gonzalez-Gomez; Anna Gupta; Laura E. Hahn; Hamlin J Kiley; EE Hannon; N Havron; J Hay; M Hernik; B Höhle; DM Houston; LH Howard; M Ishikawa; S Itakura; I Jackson; KV Jakobsen; M Jarto; SP Johnson; C Junge; D Karadag; N Kartushina; DJ Kellier; T Keren-Portnoy; K Klassen; M Kline; E-S Ko; JF Kominsky; JE Kosie; HE Kragness; AAR Krieger; F Krieger; J Lany; RJ Lazo; M Lee; C Leservoisier; C Levelt; C Lew-Williams; M Lippold; U Liszkowski; L Liu; SG Luke; RA Lundwall; Cassia V Macchi; N Mani

doi:10.1177/2515245919900809

Quantifying Sources of Variability in Infancy Research Using the Infant-Directed-Speech Preference

Michael C. Frank^*, Katherine Jane Alcock, Natalia Arias-Trejo, Gisa Aschersleben, Dare Baldwin, Stéphanie Barbu, Elika Bergelson, Christina Bergmann, Alexis K. Black, Ryan Blything, Maximilian P. Böhland, Petra Bolitho, Arielle Borovsky, Shannon M. Brady, Bettina Braun, Anna Brown, Krista Byers-Heinlein, Linda E. Campbell, Cara Cashon, Mihye ChoiJoan Christodoulou, Laura K. Cirelli, Stefania Conte, Sara Cordes, Christopher Cox, Alejandrina Cristia, Rhodri Cusack, Catherine Davies, Klerk M de, Luche C Delle, LD Ruiter, Dhanya Dinakar, Kate C. Dixon, Virginie Durier, Samantha Durrant, Christopher Fennell, Brock Ferguson, Alissa Ferry, Paula Fikkert, Teresa Flanagan, Caroline Floccia, Megan Foley, Tom Fritzsche, Rebecca L.A. Frost, Anja Gampe, Judit Gervain, Nayeli Gonzalez-Gomez, Anna Gupta, Laura E. Hahn, Hamlin J Kiley, EE Hannon, N Havron, J Hay, M Hernik, B Höhle, DM Houston, LH Howard, M Ishikawa, S Itakura, I Jackson, KV Jakobsen, M Jarto, SP Johnson, C Junge, D Karadag, N Kartushina, DJ Kellier, T Keren-Portnoy, K Klassen, M Kline, E-S Ko, JF Kominsky, JE Kosie, HE Kragness, AAR Krieger, F Krieger, J Lany, RJ Lazo, M Lee, C Leservoisier, C Levelt, C Lew-Williams, M Lippold, U Liszkowski, L Liu, SG Luke, RA Lundwall, Cassia V Macchi, N Mani

^*Corresponding author for this work

School of Psychology

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Abstract

Psychological scientists have become increasingly concerned with issues related to methodology and replicability, and infancy researchers in particular face specific challenges related to replicability: For example, high-powered studies are difficult to conduct, testing conditions vary across labs, and different labs have access to different infant populations. Addressing these concerns, we report on a large-scale, multisite study aimed at (a) assessing the overall replicability of a single theoretically important phenomenon and (b) examining methodological, cultural, and developmental moderators. We focus on infants’ preference for infant-directed speech (IDS) over adult-directed speech (ADS). Stimuli of mothers speaking to their infants and to an adult in North American English were created using seminaturalistic laboratory-based audio recordings. Infants’ relative preference for IDS and ADS was assessed across 67 laboratories in North America, Europe, Australia, and Asia using the three common methods for measuring infants’ discrimination (head-turn preference, central fixation, and eye tracking). The overall meta-analytic effect size (Cohen’s d) was 0.35, 95% confidence interval = [0.29, 0.42], which was reliably above zero but smaller than the meta-analytic mean computed from previous literature (0.67). The IDS preference was significantly stronger in older children, in those children for whom the stimuli matched their native language and dialect, and in data from labs using the head-turn preference procedure. Together, these findings replicate the IDS preference but suggest that its magnitude is modulated by development, native-language experience, and testing procedure.

Original language	English
Pages (from-to)	24-52
Number of pages	0
Journal	Advances in Methods and Practices in Psychological Science
Volume	3
Issue number	1
DOIs	https://doi.org/10.1177/2515245919900809
Publication status	Published - Mar 2020

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Frank, M. C., Alcock, K. J., Arias-Trejo, N., Aschersleben, G., Baldwin, D., Barbu, S., Bergelson, E., Bergmann, C., Black, A. K., Blything, R., Böhland, M. P., Bolitho, P., Borovsky, A., Brady, S. M., Braun, B., Brown, A., Byers-Heinlein, K., Campbell, L. E., Cashon, C., ... Mani, N. (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. https://doi.org/10.1177/2515245919900809

@article{368e9358769f4bf1b8173f5f8d96e0dc,

title = "Quantifying Sources of Variability in Infancy Research Using the Infant-Directed-Speech Preference",

abstract = " Psychological scientists have become increasingly concerned with issues related to methodology and replicability, and infancy researchers in particular face specific challenges related to replicability: For example, high-powered studies are difficult to conduct, testing conditions vary across labs, and different labs have access to different infant populations. Addressing these concerns, we report on a large-scale, multisite study aimed at (a) assessing the overall replicability of a single theoretically important phenomenon and (b) examining methodological, cultural, and developmental moderators. We focus on infants{\textquoteright} preference for infant-directed speech (IDS) over adult-directed speech (ADS). Stimuli of mothers speaking to their infants and to an adult in North American English were created using seminaturalistic laboratory-based audio recordings. Infants{\textquoteright} relative preference for IDS and ADS was assessed across 67 laboratories in North America, Europe, Australia, and Asia using the three common methods for measuring infants{\textquoteright} discrimination (head-turn preference, central fixation, and eye tracking). The overall meta-analytic effect size (Cohen{\textquoteright}s d) was 0.35, 95% confidence interval = [0.29, 0.42], which was reliably above zero but smaller than the meta-analytic mean computed from previous literature (0.67). The IDS preference was significantly stronger in older children, in those children for whom the stimuli matched their native language and dialect, and in data from labs using the head-turn preference procedure. Together, these findings replicate the IDS preference but suggest that its magnitude is modulated by development, native-language experience, and testing procedure. ",

author = "Frank, {Michael C.} and Alcock, {Katherine Jane} and Natalia Arias-Trejo and Gisa Aschersleben and Dare Baldwin and St{\'e}phanie Barbu and Elika Bergelson and Christina Bergmann and Black, {Alexis K.} and Ryan Blything and B{\"o}hland, {Maximilian P.} and Petra Bolitho and Arielle Borovsky and Brady, {Shannon M.} and Bettina Braun and Anna Brown and Krista Byers-Heinlein and Campbell, {Linda E.} and Cara Cashon and Mihye Choi and Joan Christodoulou and Cirelli, {Laura K.} and Stefania Conte and Sara Cordes and Christopher Cox and Alejandrina Cristia and Rhodri Cusack and Catherine Davies and de, {Klerk M} and Delle, {Luche C} and LD Ruiter and Dhanya Dinakar and Dixon, {Kate C.} and Virginie Durier and Samantha Durrant and Christopher Fennell and Brock Ferguson and Alissa Ferry and Paula Fikkert and Teresa Flanagan and Caroline Floccia and Megan Foley and Tom Fritzsche and Frost, {Rebecca L.A.} and Anja Gampe and Judit Gervain and Nayeli Gonzalez-Gomez and Anna Gupta and Hahn, {Laura E.} and Kiley, {Hamlin J} and EE Hannon and N Havron and J Hay and M Hernik and B H{\"o}hle and DM Houston and LH Howard and M Ishikawa and S Itakura and I Jackson and KV Jakobsen and M Jarto and SP Johnson and C Junge and D Karadag and N Kartushina and DJ Kellier and T Keren-Portnoy and K Klassen and M Kline and E-S Ko and JF Kominsky and JE Kosie and HE Kragness and AAR Krieger and F Krieger and J Lany and RJ Lazo and M Lee and C Leservoisier and C Levelt and C Lew-Williams and M Lippold and U Liszkowski and L Liu and SG Luke and RA Lundwall and Macchi, {Cassia V} and N Mani",

year = "2020",

month = mar,

doi = "10.1177/2515245919900809",

language = "English",

volume = "3",

pages = "24--52",

journal = "Advances in Methods and Practices in Psychological Science",

issn = "2515-2459",

publisher = "SAGE Publications Inc.",

number = "1",

}

Frank, MC, Alcock, KJ, Arias-Trejo, N, Aschersleben, G, Baldwin, D, Barbu, S, Bergelson, E, Bergmann, C, Black, AK, Blything, R, Böhland, MP, Bolitho, P, Borovsky, A, Brady, SM, Braun, B, Brown, A, Byers-Heinlein, K, Campbell, LE, Cashon, C, Choi, M, Christodoulou, J, Cirelli, LK, Conte, S, Cordes, S, Cox, C, Cristia, A, Cusack, R, Davies, C, de, KM, Delle, LC, Ruiter, LD, Dinakar, D, Dixon, KC, Durier, V, Durrant, S, Fennell, C, Ferguson, B, Ferry, A, Fikkert, P, Flanagan, T, Floccia, C, Foley, M, Fritzsche, T, Frost, RLA, Gampe, A, Gervain, J, Gonzalez-Gomez, N, Gupta, A, Hahn, LE, Kiley, HJ, Hannon, EE, Havron, N, Hay, J, Hernik, M, Höhle, B, Houston, DM, Howard, LH, Ishikawa, M, Itakura, S, Jackson, I, Jakobsen, KV, Jarto, M, Johnson, SP, Junge, C, Karadag, D, Kartushina, N, Kellier, DJ, Keren-Portnoy, T, Klassen, K, Kline, M, Ko, E-S, Kominsky, JF, Kosie, JE, Kragness, HE, Krieger, AAR, Krieger, F, Lany, J, Lazo, RJ, Lee, M, Leservoisier, C, Levelt, C, Lew-Williams, C, Lippold, M, Liszkowski, U, Liu, L, Luke, SG, Lundwall, RA, Macchi, CV & Mani, N 2020, 'Quantifying Sources of Variability in Infancy Research Using the Infant-Directed-Speech Preference', Advances in Methods and Practices in Psychological Science, vol. 3, no. 1, pp. 24-52. https://doi.org/10.1177/2515245919900809

TY - JOUR

T1 - Quantifying Sources of Variability in Infancy Research Using the Infant-Directed-Speech Preference

AU - Frank, Michael C.

AU - Alcock, Katherine Jane

AU - Arias-Trejo, Natalia

AU - Aschersleben, Gisa

AU - Baldwin, Dare

AU - Barbu, Stéphanie

AU - Bergelson, Elika

AU - Bergmann, Christina

AU - Black, Alexis K.

AU - Blything, Ryan

AU - Böhland, Maximilian P.

AU - Bolitho, Petra

AU - Borovsky, Arielle

AU - Brady, Shannon M.

AU - Braun, Bettina

AU - Brown, Anna

AU - Byers-Heinlein, Krista

AU - Campbell, Linda E.

AU - Cashon, Cara

AU - Choi, Mihye

AU - Christodoulou, Joan

AU - Cirelli, Laura K.

AU - Conte, Stefania

AU - Cordes, Sara

AU - Cox, Christopher

AU - Cristia, Alejandrina

AU - Cusack, Rhodri

AU - Davies, Catherine

AU - de, Klerk M

AU - Delle, Luche C

AU - Ruiter, LD

AU - Dinakar, Dhanya

AU - Dixon, Kate C.

AU - Durier, Virginie

AU - Durrant, Samantha

AU - Fennell, Christopher

AU - Ferguson, Brock

AU - Ferry, Alissa

AU - Fikkert, Paula

AU - Flanagan, Teresa

AU - Floccia, Caroline

AU - Foley, Megan

AU - Fritzsche, Tom

AU - Frost, Rebecca L.A.

AU - Gampe, Anja

AU - Gervain, Judit

AU - Gonzalez-Gomez, Nayeli

AU - Gupta, Anna

AU - Hahn, Laura E.

AU - Kiley, Hamlin J

AU - Hannon, EE

AU - Havron, N

AU - Hay, J

AU - Hernik, M

AU - Höhle, B

AU - Houston, DM

AU - Howard, LH

AU - Ishikawa, M

AU - Itakura, S

AU - Jackson, I

AU - Jakobsen, KV

AU - Jarto, M

AU - Johnson, SP

AU - Junge, C

AU - Karadag, D

AU - Kartushina, N

AU - Kellier, DJ

AU - Keren-Portnoy, T

AU - Klassen, K

AU - Kline, M

AU - Ko, E-S

AU - Kominsky, JF

AU - Kosie, JE

AU - Kragness, HE

AU - Krieger, AAR

AU - Krieger, F

AU - Lany, J

AU - Lazo, RJ

AU - Lee, M

AU - Leservoisier, C

AU - Levelt, C

AU - Lew-Williams, C

AU - Lippold, M

AU - Liszkowski, U

AU - Liu, L

AU - Luke, SG

AU - Lundwall, RA

AU - Macchi, Cassia V

AU - Mani, N

PY - 2020/3

Y1 - 2020/3

N2 - Psychological scientists have become increasingly concerned with issues related to methodology and replicability, and infancy researchers in particular face specific challenges related to replicability: For example, high-powered studies are difficult to conduct, testing conditions vary across labs, and different labs have access to different infant populations. Addressing these concerns, we report on a large-scale, multisite study aimed at (a) assessing the overall replicability of a single theoretically important phenomenon and (b) examining methodological, cultural, and developmental moderators. We focus on infants’ preference for infant-directed speech (IDS) over adult-directed speech (ADS). Stimuli of mothers speaking to their infants and to an adult in North American English were created using seminaturalistic laboratory-based audio recordings. Infants’ relative preference for IDS and ADS was assessed across 67 laboratories in North America, Europe, Australia, and Asia using the three common methods for measuring infants’ discrimination (head-turn preference, central fixation, and eye tracking). The overall meta-analytic effect size (Cohen’s d) was 0.35, 95% confidence interval = [0.29, 0.42], which was reliably above zero but smaller than the meta-analytic mean computed from previous literature (0.67). The IDS preference was significantly stronger in older children, in those children for whom the stimuli matched their native language and dialect, and in data from labs using the head-turn preference procedure. Together, these findings replicate the IDS preference but suggest that its magnitude is modulated by development, native-language experience, and testing procedure.

AB - Psychological scientists have become increasingly concerned with issues related to methodology and replicability, and infancy researchers in particular face specific challenges related to replicability: For example, high-powered studies are difficult to conduct, testing conditions vary across labs, and different labs have access to different infant populations. Addressing these concerns, we report on a large-scale, multisite study aimed at (a) assessing the overall replicability of a single theoretically important phenomenon and (b) examining methodological, cultural, and developmental moderators. We focus on infants’ preference for infant-directed speech (IDS) over adult-directed speech (ADS). Stimuli of mothers speaking to their infants and to an adult in North American English were created using seminaturalistic laboratory-based audio recordings. Infants’ relative preference for IDS and ADS was assessed across 67 laboratories in North America, Europe, Australia, and Asia using the three common methods for measuring infants’ discrimination (head-turn preference, central fixation, and eye tracking). The overall meta-analytic effect size (Cohen’s d) was 0.35, 95% confidence interval = [0.29, 0.42], which was reliably above zero but smaller than the meta-analytic mean computed from previous literature (0.67). The IDS preference was significantly stronger in older children, in those children for whom the stimuli matched their native language and dialect, and in data from labs using the head-turn preference procedure. Together, these findings replicate the IDS preference but suggest that its magnitude is modulated by development, native-language experience, and testing procedure.

U2 - 10.1177/2515245919900809

DO - 10.1177/2515245919900809

M3 - Article

SN - 2515-2459

VL - 3

SP - 24

EP - 52

JO - Advances in Methods and Practices in Psychological Science

JF - Advances in Methods and Practices in Psychological Science

IS - 1

ER -

Quantifying Sources of Variability in Infancy Research Using the Infant-Directed-Speech Preference

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