Table 2: Summary Information for LIWC2007 Statistics
| Emotional writing | Control writing | Science Articles | Blogs | Novels | Talking | |
|---|---|---|---|---|---|---|
| Total files | 2,931 | 2,431 | 113 | 714,028 | 209 | 2,014 |
| Total authors | 1,014 | 841 | 113 | 20,146 | 209 | 850 |
| Total words | 1,299,400 | 985,698 | 305,552 | 149,924,828 | 14,637,011 | 1,202,015 |
| Total studies | 29 | 29 | 1 | 2 | 1 | 10 |
| Total labs | 11 | 11 | 1 | 2 | 1 | 3 |
Emotional writing studies require participants to write about their emotions and thoughts about personally relevant topics; Control Writing involves writing about non-emotional topics, such as plans for the day or descriptions of ordinary objects or events; Science articles are published articles in the journal Science in 1997 and 2007. Blogs are from LiveJournal.com which were written in summer and fall, 2001 and from Blogs.com that were downloaded in summer, 2004. Novels refers to either portions or complete works of American and British fiction published between 1800 and 2005; Talking files come from transcripts collected from individuals who are talking in real world unstructured settings.