You can choose the different newspapers in your country, choose a 3-6 month pre-election date, choose opinion articles on the first page to analyze their content, choose a regular random sample of opinion articles that will give you a sufficient sample to study and analyze.
You develop some inclusion and exclusion criteria for your selection, taking into account different variables such as type of newspaperd, their scope, popularity ( local, national), type of content, date ( daily, weekly,...), Target readers, language of publication et. Following the criteria you set, your selection of the newspapers will be less biased. Don't forget to report how you selected the study newspapers and justify your choice.
Simply choosing newspapers by type, circulation, or partisan affiliation may not adequately account for their national political-cultural influence. Many smaller circulation papers may have an exaggerated or greater influence because of their frequency of reposting/sharing via social media platforms and the nature and influences of their respective audiences and their roles among opinion leaders-influencers. Be sure to examine carefully and take into account political and cultural reach and influence behind mere circulation figures.
1- Responsibility and honesty: as the writer of the media news is responsible for writing it, investigating its source, the accuracy of the news and honesty in transmitting it to the masses, correcting the error quickly and accurately, accepting the response, apologizing and publishing it, and writing the media without bias to the state, principle or affiliation of any Be objective and accurate.
2- Taking into account the public interest by maintaining the confidentiality of information and not disclosing it except at the request of the competent authorities (and for specific circumstances), and to investigate credibility and honesty in transmitting information and news, and investigating sources, and not exaggerating that.
3- To stay away from racial discrimination on any basis, and this is an important duty that the media must bear with all responsibility and safety in order to gain the confidence of the masses.
4- That the media person stay away from personal interests and accept gifts and bribery at the expense of the public interest to serve certain parties.
5- The media should not be a trumpet promoting the policy of a state or a ruling group at the expense of the truth that must reach the masses as it is without falsification, and no part of it may be withheld.
6- Not to mislead the masses and impartially convey the events to them, and not to intimidate the unnecessary and necessary to direct public opinion in the wrong direction for specific interests.
7- Truth and honesty must be pursued, and peoples' right to know the truth must be recognized.
8- The journalist should enjoy integrity, justice and respect for the privacy, dignity and honor of individuals.
9- The media person must cover the event without bias and complete impartiality, avoiding plagiarism, forgery and distortion, and linking personal interests to media work.
10 - The media person should support the information and news that is conveyed to the public with documents, photos and sources of information and refer to the sources when necessary.
11- That the media person maintains professional secrecy, respects justice, and does not accept assignments that are inconsistent with the dignity of the profession.
12- Work on independence, tolerance and respect for human rights in the transmission of media material.