Development of the Perceived Challenges in Disaster Response Scale (PCDRS): Validity and Reliability Study

This study aimed to design and validate a measurement tool in Turkish to assess the challenges perceived by individuals involved in the disaster response process, such as volunteers, health care personnel, firefighters, and members of nongovernmental organizations (NGOs).

This methodological study was conducted from November 2023 through March 2024. The scale development process comprised item development, expert reviews, and language control, followed by the creation of a draft survey, pilot testing, application of the final scale, and statistical analyses. All stages, including validity and reliability analyses, were conducted in Turkish. While reliability analysis used Cronbach's alpha, item-total correlations, intraclass correlation coefficients, test-retest reliability, Tukey's additivity, and Hotelling's T-squared tests, validity analysis included Exploratory and Confirmatory Factor Analyses (EFA/CFA). Software such as AMOS 22.0 and SPSS 22.0 were used to perform statistical analysis.

Findings indicated six dimensions with 23 items, with factor loadings ranging from 0.478 to 0.881. The CFA demonstrated acceptable fit indices. Test-retest analysis showed a robust positive correlation (r = 0.962) between the measurements. The scale's total Cronbach's alpha coefficient was 0.913. Sub-dimension reliability scores were calculated as follows: 0.865 for environmental and health, 0.802 for communication and information, 0.738 for organizational, 0.728 for logistical, 0.725 for individual, and 0.809 for other factors.

This study showed that the Perceived Challenges in Disaster Response Scale (PCDRS), developed and validated in Turkish, is a reliable and valid measurement tool. It offers a foundation for understanding the challenges faced by disaster response teams and for formulating improvement strategies.