Investigating the relationship between older adults' basic psychological need satisfaction and daily positive emotional experience using experience sampling method: the multilevel mediation effect of life satisfaction

The study highlights the importance of fostering BPNS to improve LS and daily positive emotions among older adults. The use of mobile applications to capture dynamic emotional states offers a practical and scalable approach for psychological research, particularly in aging populations. Further interventions could focus on enhancing BPNS to promote emotional well-being in older adults.