| A | B |
| personal observations | eyewitness accounts such as athletic games |
| printed materials | press releases or prior news |
| interviews | fact, personal, or group |
| fact interview | question and answer to get the facts |
| personal interview | feature interview where a list of questions are prepared |
| group interview | man on the street or symposium interview |
| man on the street interview | asking the same question to a random number of individuals |
| symposium interview | gathering of information from authorities on the same subject and comparing the answers/solutions |