Description
Examples
Professional/Trade Journals
- Appearance: Attractive, often glossy.
- Ads: Contains ads for products & services.
- Documentation: May cite sources.
- Authors: Practitioners in the field.
- Audience: Other practitioners
- Publisher: A commercial publisher or a professional organization.
- Purpose: To provide information about current trends and practices to practitioners in the field.
and 
Journals of Opinion
- Appearance: Attractive, often glossy.
- Ads: Contains ads for consumer goods.
- Documentation: Usually does NOT cite sources.
- Authors: Sometimes a scholar, but also staff and freelance writers.
- Audience: An educated audience. Language is usually more sophisticated than a popular magazine.
- Publisher: Usually a commercial publisher.
- Purpose: To inform. To promote a particular viewpoint or perspective (e.g., progressive or conservative).
and 
Newspapers
- Appearance: Newsprint, some color photos.
- Ads: Yes! Ads for products, services, local stores, etc.
- Documentation: No formal citations. May cite sources within an article's text.
- Authors: Journalists, freelance writers.
- Audience: General public.
- Publisher: A commercial publisher.
- Purpose: To provide information about current events, especially from a local perspective.
and 
