What is the definition of daily stressors? How do daily stressors mediate age differences in negative affect?

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Daily stressors are defined as routine challenges encountered in everyday life, such as work demands, caregiving responsibilities, and minor inconveniences like traffic or arguments. These stressors can significantly impact emotional well-being and are often assessed through self-report measures over multiple days.

Daily stressors mediate age differences in negative affect by influencing emotional responses and coping mechanisms. Older adults may experience fewer daily stressors but can be more affected by them due to reduced coping resources. Consequently, the accumulation of daily stressors can lead to increased negative affect, particularly in older adults who may perceive these stressors as more overwhelming.