The Impact of Training on Self-Efficacy, Symptom Level, and Activities of Daily Living

Inclusion Criteria * Age 18 years or older * Diagnosed with chronic obstructive pulmonary disease (COPD) at least one year prior * Currently receiving treatment with noninvasive mechanical ventilation (NIMV) support * Ability to communicate verbally and in writing in a clear and sustainable manner * No severe visual or hearing impairment that would prevent understanding of educational materials * Basic ability to use a smartphone * Active use of the WhatsApp application on a personal smartphone * Technical capability to view educational materials sent via phone (e.g., internet access, video playback) * No prior education on NIMV delivered using the Pecha Kucha presentation technique * Adequate cognitive function to allow independent participation (e.g., no history of dementia or confusion) * Availability to attend educational and assessment sessions as scheduled Exclusion Criteria * Failure to attend planned educational sessions or inability to complete the study protocol * Voluntary withdrawal from the study, declared verbally or in writing * Death during the study period * Development of a serious health condition preventing continuation in the education program (e.g., hospitalization, acute exacerbation, deterioration in mental status) * Loss of phone or internet access preventing receipt of educational materials * Significant communication problems that substantially interfere with participation in the educational process