Many studies examining the effect of multilateral training on early childhood improvement have been found in many sports journals, but the results in each study have differences so that the need for data analysis which will provide comprehensive information about the effect of multilateral training on early childhood motor improvement. This study aims to test the effect size in each journal that has entered the research criteria. The type of this research is a meta-analysis study. The data source used is sourced from google scholar using the keywords “influence” and “exercise” and “multilateral” and “motor” and “early childhood”. Articles that have been obtained are then analyzed by identifying the r value, transforming the r value to the z distribution which is the effect size of each study, calculating the standard error, variance and calculating the summary effect, Calculating the summary effect using the Jeffrey's Amazing Statistics Program (JASP) application. The results of the analysis of studies that have been in accordance with inclusion and exclusion show that there is a significant effect of multilateral training on improving early childhood motor skills. With a Random Effect correlation value (r RE) of 6.289, this shows that multilateral training on early childhood motor improvement is included in the high category.
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