Validation of the Healthcare Relationship Assessment Scale (ERA) in Health Sciences Students.

This study aims to design and psychometrically validate a practical and agile observational instrument-the Healthcare Relationship Assessment scale (ERA scale)-to evaluate communication skills and person-centered care among undergraduate health sciences students (Nursing, Physiotherapy, Pharmacy, and Psychology) during their external clinical placements. Adapted from the theoretical framework of the CICAA scale, the instrument is designed to reduce evaluation burden for clinical mentors while maintaining high measurement reliability and validity.

Students (evaluated participants): * Undergraduate students actively enrolled in Nursing (years 1 to 4), Physiotherapy (years 3 to 4), Pharmacy (years 3 to 4), or Psychology (year 3). * Currently completing external clinical placements or clinical practicum in affiliated healthcare, educational, or social settings. * Sufficient linguistic competence in Spanish. * Provision of explicit electronic informed consent for the use of observational evaluation data for research purposes. Clinical Tutors and Key Informants: * Active clinical healthcare professionals serving as clinical tutors/mentors for students during their practicum. * For the qualitative phase: Academic coordinators, clinical tutors, or university professors with at least one year of experience in clinical tutoring or academic management of clinical placements, and no more than five years of teaching inactivity in this area. * For the qualitative phase (graduates/students): Healthcare graduates or senior students who completed clinical practicum within the past two to three years. * Provision of signed or electronic informed consent. Exclusion Criteria: * Students not actively undertaking clinical placements during the study evaluation periods. * Refusal to provide informed consent or withdrawal of consent at any point during data collection.