investigating the relationship between students' personality traits in single-child, two-child and multiple-child families with parent-child relationship

The purpose of this study was to investigate the relationship between personality characteristics of singleparent, twoparent and multiparent families with their parentchild relationship in sari. in a correlational study, 324 high school male and female high school students in sari were selected by simple random sampling and completed the neo 5factor personality questionnaire and parentchild relationship questionnaire (pcrs). the data was analyzed by spss software using descriptive statistics and linear regression. the results showed that personality traits explained 49.5% variance of fatherchild relationship in singleparent families, 25.4% variance of father child relationship in twochild families and 26.3% variance of father child relationship in multichild families (p < 0.01). furthermore, the results indicated that personality traits explained 20.8 % variance of motherchild relationship in singleparent families, 36.9% variance of motherchild relationship in twochild families and 32.7% variance of motherchild relationship in multichild families (p < 0.01). therefore, personality traits of students are effective in explaining the parentchild relationship of families.