Final answer:
Yellow journalism included big headlines, exciting human interest stories, and crime news to attract readers and provoke strong emotions.
Step-by-step explanation:
Yellow journalism, also known as sensationalized reporting, was characterized by the use of big headlines, exciting human interest stories, and coverage of crime news. It involved the technique of using inflammatory headlines without factual reporting to provoke strong emotions in the readers. This form of journalism was popularized by media magnates William Randolph Hearst and Joseph Pulitzer in the late 19th century.