👉 Selectivity is a concept in psychology that refers to the degree of attention that an individual gives to a particular stimulus or event. It is often measured using the term "selectivity" as it relates to the degree to which individuals pay attention to certain stimuli and events. Senescence, on the other hand, refers to the state of a person's health or well-being over time, particularly in relation to the age at which they begin experiencing health issues. Senescence can be influenced by various