Final answer:
Scholarly journals are written by academic researchers and peer-reviewed by experts. Popular journals are widely published and provide introductory information. Trade journals are published by professional organizations and offer industry-specific information.
Step-by-step explanation:
Scholarly Journals:
- Written by academic researchers and published in academic journals.
- Contain specialized information and vocabulary.
- Peer-reviewed by other experts in the field.
Popular Journals:
- Published widely and address a general audience.
- Useful for obtaining introductory or background information.
- Help narrow down a topic and provide a sense of factors to consider.
Trade Journals:
- Published by professional organizations within a specific industry or field.
- Provide practical information relevant to professionals in that industry.
- Not peer-reviewed but often written by industry experts.