Unlike self - reported data, this anonymized and aggregated data eliminates factors like social
desirability bias, and
makes the Legal Trends Report a uniquely trustworthy window into the legal world.»
While social
desirability bias could lead some spouses to increase their ratings of their marriage, it would also have
biased people not to have
made such low rating in the first place, unless they were truly unhappy at the time of the first survey.