Which of the following is not a source of public opinion?

Academic Journals are not a source of public opinion. Public opinion refers to the collective views and attitudes of the general public on various issues. It is usually shaped by multiple factors such as personal experiences, social interactions, and exposure to information.
Opinion polls, social media, and political parties are all sources that can influence or reflect public opinion.
Opinion polls are conducted by organizations to measure the opinions and perspectives of a sample population on specific issues. These polls provide valuable data and insights into the preferences and beliefs of the public.
Social media has become a significant platform for individuals to express their opinions and influence public discourse. People use platforms like Twitter, Facebook, and Instagram to share their views, engage in discussions, and influence public opinion through posts, comments, and shares.
Political parties are organizations that represent specific ideologies and positions on various social, economic, and political issues. They actively work to shape public opinion by promoting their ideas, policies, and candidates through campaigns, events, and media.
However, academic journals are not typically considered a source of public opinion. They serve as platforms for scholars and researchers to publish their studies, theories, and findings based on rigorous research and analysis. They often focus on providing evidence-based knowledge in specific fields rather than measuring or shaping public opinion.