Answer to Question 1
Inexperienced speakers often make two research mistakes. They do too little research and rely on personal knowledge and experience and they use only the Internet for research. Using information from respected sources shows that you are objective and informed and adds to your credibility. Not all information on the web is authoritative. Some of it is outdated, fallacious, biased, and basically worthless. To avoid mistakes when researching using the internet: Look for authors who are qualified experts; Make sure that the information is objective, accurate, and current; Verify Internet information with at least one non-Internet source; Do not use sites that are not dated (and seek sources newer than 5 years). Remember that hours can be spent on the Internet without finding the needed information, so use multiple search engines.
Answer to Question 2
A