Definitions
Accuracy: 'The quality or state of being correct or precise.' Programmes must be honest, fair and precise to make sure not to mislead the viewers.
Balance: 'To keep the documentary even and fair on both sides.' Don't stick with one side, investigate both sides of the story fairly.
Impartiality: 'Lack of comparison, correspondence, or suitableness; incongruity.' Showing both sides of a story equally not just your personal opinion.
Objectivity: 'Judgement based on observable phenomena and uninfluenced by emotions or personal prejudices.'
Subjectivity: 'Judgement based on individual personal impressions, feelings and opinions rather than external facts.'
Opinion: 'A view or judgement formed about something, not necessarily based on fact or knowledge.'
Bias: 'Showing prejudice for or against someone/something unfairly.