Anonymized Item-Level Response Dataset of the Early Identification Instrument for Bullying Risk (EIBR)

This dataset contains item-level responses from 1,078 Indonesian high school students collected for the development and Rasch validation of the Early Identification Instrument for Bullying Risk (EIBR).The dataset includes responses to 50 items organized into five dimensions: Victimization Risk, Perpetration Risk, Passive Bystander Risk, Psychosocial Vulnerability, and School Environmental Protective Factors. Participant records are represented using sequential synthetic identifiers.The accompanying codebook describes the dataset structure and variables. The supplied total score is retained as a raw sum and should not be interpreted as a final scored measure without consulting the official scoring key, including the reverse-scoring procedure where applicable.This dataset is intended to support research transparency, reproducibility, and further methodological investigation. Users should cite this dataset and the associated EIBR research publication when available.The dataset should be shared only in accordance with the applicable research ethics approval, participant consent, and data-protection requirements.