Author/Authors :
Farahbod, Mojgan Research Institute of Exeptional children, Ministry of Education , Gharib, Masoud Pediatric Neuro-rehabilitation Research Center, Tehran , Massah, Omid Research Center for Substance Abuse and Dependence University of Social Welfare & Rehabilitation Sciences, Tehran
Abstract :
Objectives: The objective of this study was to examine the psychometric properties of the ‘physical wellbeing,
health and motor development inventory’ used to assess school readiness in ordinary and mentally
retarded pre-school children.
Method: A descriptive study examining validity was conducted using random sampling. Two hundred
students (160 ordinary and 40 mentally retarded children) were randomly selected from the city of
Tehran. In investigating the validity of the inventory, evidence related to content validity and construct
validity were used.
Results: The evidence related to content validity showed that the questions related to the domain
elements of gross motor skills, fine motor skills, nutrition and safety exercises all had high correlation
coefficients with the overall elements. Some of the questions related to the domain elements of
sensorimotor skills, physical fitness and activities of daily living did not have acceptable correlation
coefficients. However, after removing the outliers the overall validity coefficient and subsequently that of
the overall test increased. The t computed for construct-related evidence was significant too. Eventually,
the validity coefficients were estimated at 0.859, 0.832, 0.671, 0.585, 0.725, 0.719 and 0.719 for gross
motor skills, fine motor skills, sensorimotor skills, physical fitness, activities of daily living, nutrition and
safety exercises, respectively.
Keywords :
test validity , health and motor development , physical well-being , educational readiness
