Different assessment tasks produce different estimates of handedness stability during the eight to 14 month age period

Infant Behavior & Development
Julie M CampbellG F Michel

Abstract

Using 150 infants (57% males), two common tasks for assessing infant hand-use preferences for acquiring objects were compared for their ability to detect stable preferences during the age period of eight to 14 months. One task assesses the preference using nine presentations of objects; the other uses 32 presentations. Monthly classifications of hand preference for each task were determined by either a commonly used a decision criterion in which one hand is used 50% more often than the other or a criterion based on proportion of hand-use difference that exceeds a conventional alpha probability of 0.05. The seven monthly assessments provided by the two tasks also were examined for latent classes in their developmental trajectories. The two tasks were significantly different for both their identification of latent classes and their monthly classification of the infant's hand-use preference. The 32 presentations yielded three developmental trajectories (45% right preferring, 5% left preferring, and 50% no clear preference) whereas the nine presentations revealed only two trajectories (70% right, 30% no preference). The nine presentations task, with the 50% proportion decision criterion, was very generous in classifying right and l...Continue Reading

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Jul 14, 2010·Infant Behavior & Development·Claudio L FerreGeorge F Michel
Jun 10, 2011·Developmental Psychobiology·Anne-Yvonne JacquetJacqueline Fagard
Jul 14, 2012·Journal of Experimental Child Psychology·Lauriane Rat-FischerJacqueline Fagard
Mar 5, 2013·Infant Behavior & Development·Eliza L NelsonGeorge F Michel
May 4, 2013·Child Development·Iryna BabikGeorge F Michel

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Citations

Apr 6, 2016·Frontiers in Psychology·George F MichelIryna Babik
May 23, 2015·Frontiers in Psychology·Sandy L Gonzalez, Eliza L Nelson
Jun 4, 2016·Laterality·Jacqueline FagardViviane Huet
Nov 6, 2018·Laterality·Eliza L NelsonReem S Abu-Rustum
Feb 18, 2020·Laterality·Eliza L Nelson, Sandy L Gonzalez
Feb 19, 2020·Laterality·Jacqueline FagardCyann Bernard
Nov 24, 2017·Developmental Psychobiology·Julie M CampbellGeorge F Michel
Apr 4, 2021·International Journal of Environmental Research and Public Health·Jacqueline FagardBarbara Heude

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