Evidence map›Paper›PMID 31342467›Full record

ArticleBehavior research methods2020

Look who's talking: A comparison of automated and human-generated speaker tags in naturalistic day-long recordings.

Federica Bulgarelli, Elika Bergelson

Open access · bronzeAbstract readComparative Study
In one paragraph

Article in Behavior research methods, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 1 pooled it
9.8field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed, 1 synthesis or guideline pooled it, 47 citations in OpenAlex.

  1. Pooled it
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  6. Language Experience during Infancy Predicts White Matter Myelination at Age 2 Years.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023
    Article
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  9. Infants who experience more adult-initiated conversations have better expressive language in toddlerhood.Infancy : the official journal of the International Society on Infant Studies · 2022
    Article
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  13. Talker variability shapes early word representations in English-learning 8-month-olds.Infancy : the official journal of the International Society on Infant Studies · 2022
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors at 1 institution in 1 country.

Federica BulgarelliDuke University, 417 Chapel Drive, Box 90086, Durham, NC, 27708-0086, USA. fedebul@gmail.com.
Elika BergelsonDuke University, 417 Chapel Drive, Box 90086, Durham, NC, 27708-0086, USA.
Duke University · US

Funding

Mechanisms of Word Learning in InfancyDP5OD019812 · OD · UNIVERSITY OF ROCHESTER · PI BERGELSON, ELIKA · 2014 to 2018
$1.9M
NIH HHS DP5 OD019812
6 · The paper itself

Abstract

The LENA system has revolutionized research on language acquisition, providing both a wearable device to collect day-long recordings of children's environments, and a set of automated outputs that process, identify, and classify speech using proprietary algorithms. This output includes information about input sources (e.g., adult male, electronics). While this system has been tested across a variety of settings, here we delve deeper into validating the accuracy and reliability of LENA's automated diarization, i.e., tags of who is talking. Specifically, we compare LENA's output with a gold standard set of manually generated talker tags from a dataset of 88 day-long recordings, taken from 44 infants at 6 and 7 months, which includes 57,983 utterances. We compare accuracy across a range of classifications from the original Lena Technical Report, alongside a set of analyses examining classification accuracy by utterance type (e.g., declarative, singing). Consistent with previous validations, we find overall high agreement between the human and LENA-generated speaker tags for adult speech in particular, with poorer performance identifying child, overlap, noise, and electronic speech (accuracy range across all measures: 0-92%). We discuss several clear benefits of using this automated system alongside potential caveats based on the error patterns we observe, concluding with implications for research using LENA-generated speaker tags.

Indexed as

AlgorithmsLanguage DevelopmentAutomationData CollectionHumansInfantReproducibility of ResultsSpeechLENA systemLENA system reliabilityTalker variability

Identifiers

PMID31342467
PMCPMC6980911
OpenAlexW2964244604

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.