The central route to persuasion refers to the process of being persuaded by the content and logic of a persuasive message. It involves carefully analyzing and evaluating the information presented in order to form attitudes and beliefs.
Central route to persuasion is grounded in the Elaboration Likelihood Model (ELM) of persuasion, which posits that when people are motivated and able to process information, they are persuaded by the argument's quality rather than superficial cues.
Research by Petty and Cacioppo (1986) indicated that individuals who are deeply engaged with the content of a message (high elaboration) are more likely to be influenced by strong arguments than by peripheral cues such as the speaker's attractiveness or credibility.