When doing research, you will come across three main types of articles: Scholarly, Trade, and Popular. There is a time and place for each type of article.
Information changes in format, content, and quality. When choosing information, consider the flow of information. Are you selecting the best resource available?
Library Search searches scholarly, trade, and popular publications. In many academic assignments, you will be encouraged to primarily gather sources from scholarly publications. For your Persuasive Speech, you can use all three types.
Always check with your instructor to see which types of publications you can use for your assignments!