<□>□n recent years, th□ topic o□ no□□s□ncerity has ga□ner□□ s□gn□fic□nt attention □□ various fields, □nclud□ng□ps□ch□lo□y, socio□ogy, and communication □tudies.□The□□□nc□pt□of □on-since□i□y, or□the □ct of □eing insi□cere, □an manifest i□ numerous ways and ha□e □□ofound impacts o□ int□rpersonal relatio□□□ip□, p□ofessiona□ environm□nts□ and□soc□etal norms□ This ar□i□le aims to □x□lo□e the□different □imensi□ns □□ non-sincer□ty□ its □auses, and □ts effects on i□□ividu□ls□an□ communit□es.<□p□