- Do you read reports that splash long, complex sounding, words everywhere?
- Do they seem to make no sense?
- Do they sound like waffle?
A useful report will have clear conclusions (and recommendations). It demonstrates that the author is confident in that subject, and has discovered new knowledge.
Tips:
Check the report's abstract, and if it makes sense then check the conclusions. If the conclusions are interesting and relevant then read the report; else don't bother.
Write reports in plain english.
Be clear about your conclusions and recommendations.