What guarantees jason the right to question the source and validity of consumer information used to rate a policy?

The thing that guarantees Jason the right to question the source and validity of consumer information used to rate a policy is:

Fair Credit Reporting Act.

Explanation:

Fair Credit Reporting Act is such an act that ensure the safety and privacy of your information in the files of credit reporting agencies.This act is a Federal Law that was passed in 1970 and gives you the right to ask any information from your credit files from the credit reporting agencies.So, according to this act, one can also question the source and validity of his information used to rate a policy.

The best sociological research method would have to be using experiments although it has some disadvantages as well

Sorry wish i could