Predictive Validity Of Physical Development On Cognitive Development During Early And Middle Childhood

The study investigated the association between physical andrncogni ti ve development during early and middle childhood .rnMultistage sampling technique was followed in the selectionrnof participants . As part of mul ti stage sampling, usingrnsimple random sampling, 60 children between the ages of 4rnto 6 years and 60 children between the ages of 7 to 9 yearsrnwere selected from the two preschools and two primaryrnschools respectively . Children's height, headrncircumference, and mid-upper-arm circumference werernmeasured in cm and weight in kilogram. Then cognitivernquestionnaire was administered for each child. The resul trnshowed that there is positive and statistically significantrnrelationship between physical and cognitive development .rnThe resul t also s howed tha t the predicti ve validi ty ofrnphysical development on cogni tive development isrnsignificant for the preoperational group but not forrnconcrete opera tional group. When across chronological agernis considered , the predicti ve validi ty of physicalrndevelopment on cognitive development was found to bernstatistically significant for children of 4 and 5 years butrnnot for children of 6 to 9 years. The finding al so showedrnthe existence of statistically significant difference inrnthe predicti ve validi ty of physical development onrncognitive development across sexes particularly betweenrnmale medium and female medium, and male high and femalernhigh groups, but not between male low and female lowrngroups .

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