d. Ignoring information on vaccine safety because it conflicts and is inconsistent with your current beliefs.
Cognitive Dissonance effect refers to the psychological discomfort that a person experiences when their beliefs or attitudes are in conflict with new information or behavior. In this case, the example given in option d, where a person ignores information on vaccine safety because it conflicts with their current beliefs, is an example of cognitive dissonance. This person is experiencing discomfort because the new information is inconsistent with their current beliefs, and they may be trying to reduce that discomfort by ignoring the information.