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Then, to investigate more precisely at what age possible sex differences emerge, post hoc one-way ANOVAs were performed to investigate sex differences in each study grade. The participants had to mentally rotate the target figure and indicate whether the figure on the right matched the reference figure. Hum Commun Res. MC and JPM conceived of the study hypotheses, conducted literature searches, collected, analyzed, and interpreted data, produced figures, and drafted the manuscript; SP, VP, LB, and CZ participated in study conceptualization, data collection and interpretation, and manuscript revisions; LY, AM, JP, and RTS contributed to conceptualization, interpretation, and manuscript revisions.Two-way ANOVAs were carried out on proportion scores to test the effects of age, sex and their interaction. Sign up Log in.

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Rosselli, M. Tags : anal , asian , barebacking , vietnamese. Tags : amateur , asian , big cock , hd , jerking. To assess cognition, clinicians administered one of four cognitive tests; scores were standardized by J.Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and Boyy reviewers. This study evaluates boy-girl differences in 3D mental rotation in schoolchildren aged 7—12 years and the relation to arithmetic performance. A dedicated new task was developed: The Mental Rotation Task — Children MRT-C.

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Top bar navigation Conceived and designed the experiments: SB. This is an open-access article distributed under the terms of the Creative Commons Attribution License CC BY. gov website.

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