การเปรียบเทียบพัฒนาการด้านความจำเกี่ยวกับตำแหน่งของวัตถุ ที่ถูกซ่อนไว้ของทารกอายุ 9 เดือน ระหว่างทารกที่คลอดครบกำหนด และทารกที่คลอดก่อนกำหนด / พัชราวลัย เวทศักดิ์ = A Comparison of the development of memory of hidden object position between nine months old fullterm infants and premature infants / Patcharawalai Wethasak
The purpose of this research was to compare the development of memory of hidden object positions between nine months old full term infants and premature infants. Subjects were 30 nine months old full term infants whose body weight at birth was more than 2,500 gms. and 30 nine months old premature infants whose body weight at birth was less than 2,500 gms. They were selected from the Well Baby Clinic at Srinagarind hospital. Faculty of Medicine, Khonkaen University and khonkaen province’s 6 th Division Health Promotion Center. The infants individually tested. The data were analyzed by using the Chi- square test and Fisher Exact Probability test. Result show that:1.Nine months old full term infants showed significantly more capacity to pass the memory test of hidden object positions than nine months old premature infants in the no delay condition (p<.05). 2. Nine months old full term infants and premature infants showed no significant difference in passing the memory test of hidden object position in the delay condition (p<.05) .
