阿尔巴尼亚学校欺凌受害情况测量：七项修订后的奥尔韦斯指标的序数因子分析、信度及项目反应证据

Valid interpretation of school bullying surveys requires evidence about the indicators used and their scoring. This study examined the internal structure, internal consistency, and item-response properties of seven victimization-form indicators derived from the Albanian Revised Olweus Bully/Victim Questionnaire (ROBVQ). Archived survey records covered 2,377 students in Grades IV–XII at 144 schools; complete-case analyses used 2,148 students in 143 schools. A comparison with the 229 excluded students examined sex, grade, and urban–rural school location. Five indicators represented single questi