
Keywords: ES، اندازه اثر; VLBW, Very Low Birth Weight; IQ, Intelligence Quotient; WAIS-III, Wechsler Adult Intelligence Scale – III; GA, gestational age; SES, Socioeconomic status; WMS-III, Wechsler Memory Scale-III; ES, Effect Size; MRI, Magnetic Resonance Imaging; CP, Cerebral P