TheImpactofPropertyKnowledgeonChildren'sTrackingofHalvesandWholes

Authors:

Alexander Gayle, Georgios Dougalis, Elizabeth Spelke

Date Created:

2025-01-01

Course Title:

Professor:

Not specified

About Paper:

Children under the age of five (5) have been shown to struggle of the mere process of cutting, or no demonstration. Through a with tracking objects cut into halves, with many treating halves task where two (2) cups are placed in a box and a certain amount as merely a different kind or variety of their respective whole. of half cups are removed, children were asked to choose from a Potentialobstaclesforchildrenincludeagenerallackofexperience series of panels what remains inside the box. The short exposure with cut objects and an inclination to view two half cups as to the cutting process had a minor improvement on successful equivalent to two whole cups rather than a single whole cup. object tracking as it familiarizes children with the cutting process. However, not all children fail to track objects successfully, The demonstration of functional properties had a more substantial suggesting there is a process for correct tracking at that age. Theeffect, as comprehending a difference in functional properties presentstudyaimedtodeterminewhetherbriefdemonstrationsand may help broadly distinguish half objects. These results suggest experience with cut objects aids to close this gap between correct educational interventions and experience with halves and wholes and incorrect tracking. Children ranging from 42 months to 60 can work to improve tracking of halves, an important notion that months of age were shown either a demonstration of the functional can be applied to future object reasoning research and in teaching properties of objects before and after being cut, a demonstration division concepts to this age range. Du Bois Scholars Program 24 Du Bois Scholars Program EarlyEmbryonicDevelopmentandPloidyMaintenanceintheParthenogenetic Insect Carausius morosus Jovianna Allwood, Petra Kovacikova, Cassandra Extavour Morgan State University | Integrative Biology | 2027 Embryonic development is a crucial process which encompasses Gryllusbimaculatusexhibituniformblastoderms,whereasBlatella cell division, differentiation, and morphogenesis, resulting in germanica shows direct differentiation localized to the area that the formation of complex organisms. This study focuses on gives rise to the germband. To address the ploidy maintenance, early embryonic development, specifically zygote and blastoderm a nuclear dye will be used to stain ovariole germaria to evaluate formation, in the parthenogenetic stick insect Carausius morosus. DNA content and nuclear morphology in germline and somatic Despite its use as a model system in several fields of research, cells. Fluorescence intensity measurements will determine if details of its reproductive process remain unknown. This the proposed additional duplication occurs during meiosis. To includes how progeny ploidy is maintained and the timing and examine blastoderm formation, embryos collected 5 to 10 days type of blastoderm formation. A previous study by Koch, et post oviposition will undergo nuclear and cell membrane labeling. al. (1971) proposed an extra DNA duplication which occurs Imaging via fluorescent microscopy will record developmental during prophase of meiosis 1 maintains ploidy, but its exact stages, enabling identification of blastoderm type (uniform or timing remains unresolved. Blastoderm types vary in other differentiating) and timing of germband emergence. emerging hemimetabolous insects: Oncopeltus fasciatus and InvestigatinghowClinicalandEnvironmentalListeriamonocytogenesStrains

Abstract:

Children under the age of five (5) have been shown to struggle of the mere process of cutting, or no demonstration. Through a with tracking objects cut into halves, with many treating halves task where two (2) cups are placed in a box and a certain amount as merely a different kind or variety of their respective whole. of half cups are removed, children were asked to choose from a Potentialobstaclesforchildrenincludeagenerallackofexperience series of panels what remains inside the box. The short exposure with cut objects and an inclination to view two half cups as to the cutting process had a minor improvement on successful equivalent to two whole cups rather than a single whole cup. object tracking as it familiarizes children with the cutting process. However, not all children fail to track objects successfully, The demonstration of functional properties had a more substantial suggesting there is a process for correct tracking at that age. Theeffect, as comprehending a difference in functional properties presentstudyaimedtodeterminewhetherbriefdemonstrationsand may help broadly distinguish half objects. These results suggest experience with cut objects aids to close this gap between correct educational interventions and experience with halves and wholes and incorrect tracking. Children ranging from 42 months to 60 can work to improve tracking of halves, an important notion that months of age were shown either a demonstration of the functional can be applied to future object reasoning research and in teaching properties of objects before and after being cut, a demonstration division concepts to this age range. Du Bois Scholars Program 24 Du Bois Scholars Program EarlyEmbryonicDevelopmentandPloidyMaintenanceintheParthenogenetic Insect Carausius morosus Jovianna Allwood, Petra Kovacikova, Cassandra Extavour Morgan State University | Integrative Biology | 2027 Embryonic development is a crucial process which encompasses Gryllusbimaculatusexhibituniformblastoderms,whereasBlatella cell division, differentiation, and morphogenesis, resulting in germanica shows direct differentiation localized to the area that the formation of complex organisms. This study focuses on gives rise to the germband. To address the ploidy maintenance, early embryonic development, specifically zygote and blastoderm a nuclear dye will be used to stain ovariole germaria to evaluate formation, in the parthenogenetic stick insect Carausius morosus. DNA content and nuclear morphology in germline and somatic Despite its use as a model system in several fields of research, cells. Fluorescence intensity measurements will determine if details of its reproductive process remain unknown. This the proposed additional duplication occurs during meiosis. To includes how progeny ploidy is maintained and the timing and examine blastoderm formation, embryos collected 5 to 10 days type of blastoderm formation. A previous study by Koch, et post oviposition will undergo nuclear and cell membrane labeling. al. (1971) proposed an extra DNA duplication which occurs Imaging via fluorescent microscopy will record developmental during prophase of meiosis 1 maintains ploidy, but its exact stages, enabling identification of blastoderm type (uniform or timing remains unresolved. Blastoderm types vary in other differentiating) and timing of germband emergence. emerging hemimetabolous insects: Oncopeltus fasciatus and InvestigatinghowClinicalandEnvironmentalListeriamonocytogenesStrains

Source:

Harvard / Eunice Kim, David S. Jones / 2025

Topics:

object, proces, children, tracking, blastoderm, age, demonstration, cut, halve, cups, whole, formation

Co-authors:

@alexandergayle152 , @georgiosdougalis153 , @elizabethspelke154