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Pathways from the Early Language and Communication Environment to Literacy Outcomes at the End of Primary School : The Roles of Language Development and Social Development
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Two-stage sampling in the estimation of growth parameters and percentile norms: sample weights versus auxiliary variable estimation
In: BMC Med Res Methodol (2021)
Abstract: BACKGROUND: The use of auxiliary variables with maximum likelihood parameter estimation for surveys that miss data by design is not a widespread approach, despite its documented improved efficiency over traditional approaches that deploy sampling weights. Although efficiency gains from the use of Normally distributed auxiliary variables in a model have been recorded in the literature, little is known about the effects of non-Normal auxiliary variables in the parameter estimation. METHODS: We simulate growth data to mimic SCALES, a two-stage survey of language development with a screening phase (stage one) for which data are observed for the whole sample and an intensive assessments phase (stage two), for which data are observed for a sub-sample, selected using stratified random sampling. In the simulation, we allow a fully observed Poisson distributed stratification criterion to be correlated with the partially observed model responses and develop five generalised structural equation growth models that host the auxiliary information from this criterion. We compare these models with each other and with a weighted growth model in terms of bias, efficiency, and coverage. We finally apply our best performing model to SCALES data and show how to obtain growth parameters and population norms. RESULTS: Parameter estimation from a model that incorporates a non-Normal auxiliary variable is unbiased and more efficient than its weighted counterpart. The auxiliary variable method is capable of producing efficient population percentile norms and velocities. CONCLUSIONS: The deployment of a fully observed variable that dominates the selection of the sample and correlates strongly with the incomplete variable of interest appears beneficial for the estimation process.
Keyword: Article
URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8369688/
https://doi.org/10.1186/s12874-021-01353-3
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3
Play and prosociality are associated with fewer externalizing problems in children with developmental language disorder: The role of early language and communication environment. ...
Toseeb, Umar; Gibson, Jenny; Newbury, Dianne F. - : Apollo - University of Cambridge Repository, 2020
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Pathways from the early language and communication environment to literacy outcomes at the end of primary school: The roles of language development and social development
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5
Play and Prosociality are Associated with Fewer Externalising Problems in Children with Developmental Language Disorder : The Role of Early Language and Communication Environment
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6
Pathways from the early language and communication environment to literacy outcomes at the end of primary school; the roles of language development and social development
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7
Using Polygenic Profiles to Predict Variation in Language and Psychosocial Outcomes in Early and Middle Childhood. ...
Newbury, Dianne F; Gibson, Jenny; Conti-Ramsden, Gina. - : Apollo - University of Cambridge Repository, 2019
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8
Using polygenic profiles to predict variation in language and psychosocial outcomes in early and middle childhood
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9
Using polygenic profiles to predict variation in language and psychosocial outcomes in early and middle childhood
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10
Using Polygenic Profiles to Predict Variation in Language and Psychosocial Outcomes in Early and Middle Childhood.
Newbury, Dianne F; Gibson, Jenny; Conti-Ramsden, Gina. - : American Speech Language Hearing Association, 2019. : J Speech Lang Hear Res, 2019
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11
Standardizing test scores for a target population: The LMS method illustrated using language measures from the SCALES project
Vamvakas, George; Norbury, Courtenay Frazier; Vitoratou, Silia. - : Public Library of Science, 2019
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12
Using Polygenic Profiles to Predict Variation in Language and Psychosocial Outcomes in Early and Middle Childhood
Newbury, Dianne F.; Gibson, Jenny L.; Conti-Ramsden, Gina. - : American Speech-Language-Hearing Association, 2019
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13
Standardizing test scores for a target population: The LMS method illustrated using language measures from the SCALES project
Vitoratou, Silia; Gooch, Debbie; Pickles, Andrew. - : Public Library of Science, 2019
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14
Using polygenic profiles to predict variation in language and psychosocial outcomes in early and middle childhood
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15
Education and employment outcomes of young adults with a history of developmental language disorder
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16
Education and employment outcomes of young adults with a history of developmental language disorder
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17
Randomised trial of a parent-mediated intervention for infants at high risk for autism: longitudinal outcomes to age 3 years. ...
Green, Jonathan; Pickles, Andrew; Pasco, Greg. - : Apollo - University of Cambridge Repository, 2017
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18
LMS method for standarising language scores ...
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19
Prosociality from early adolescence to young adulthood : A longitudinal study of individuals with a history of language impairment
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20
Social Confidence in Early Adulthood Among Young People With and Without a History of Language Impairment
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