Designing and validating the model of promoting the well-being of the elderly based on lived experiences and investigating its effectiveness on the psychological well-being of the elderly.

Understanding the concept of well-being from the perspective of the elderly and identifying its important factors can play a significant role in increasing the quality and satisfaction of the elderly. The purpose of the current research was "to design and validate a model for promoting the well-being of the elderly based on lived experiences and to examine its effectiveness on the psychological well-being of the elderly". 

In this study, the descriptive phenomenology method was used to collect data and the Claysey method was used to analyze the data in the qualitative part. The number of participants was based on theoretical saturation of twenty elderly men and women living in Tehran province. Data were collected through semi-structured in-depth interviews. The obtained data were analyzed to explain the well-being factors in old age. The program obtained from the qualitative phase to improve the well-being of the elderly was taught to six elderly volunteers based on the AB single-case plan, and the results were evaluated through the RIF well-being questionnaire. Quantitative data analysis was done during the methods of stable change index, visual analysis and clinical significance using the recovery percentage formula and non-overlapping methods to determine the effectiveness of the program.

Five themes were extracted from the findings in the qualitative section, which include vitality, health and dynamism, Personal growth and enrichment, interpersonal relationships, and strength. Data analysis showed that the welfare program obtained for four volunteers of this program is effective. It should be noted that in single-subject designs, when the researcher can talk about the possibility of a functional relationship between the dependent variable and the intervention, this relationship is repeated for at least three participants.

The results of this research can be used by many psychologists, counselors and experts in the field of geriatrics in the field of how to advise and educate the elderly in order to increase the well-being of the elderly. In addition, the officials and trustees of the elderly can expand the welfare in the elderly society by implementing the elderly welfare program, which will reduce the adverse effects of aging among them and make them more cheerful and energetic.