Assertion: Individuals with a more open and inflexible personality tend to be more receptive to attitude change. 

Reasoning: Individuals with a more open and flexible personality are willing to consider new information, perspectives, and ideas, making them more susceptible to altering their attitudes.

Assertion (A) is true but Reasoning (R) is not correct.

Openness and flexibility: Individuals with a more open and flexible personality tend to be more receptive to attitude change. They are willing to consider new information, perspectives, and ideas, making them more susceptible to altering their attitudes. Advertisers often benefit from targeting such individuals as they are more likely to be influenced by persuasive messages.