Getting the Real Facts: How Industry Analyst Reports Can Trick Readers - page 6
Start from the Beginning
And finally, it really does matter who sponsored the study. Any reputable analyst firm will discose the funding source, if there is one. Naturally, any study sponsored by a company that shows its products in a favorable light must be considered less reliable than any independent study. This point is just plain common sense.
Lesson: vendor-sponsored reports can be biased.