Elizabeth Stegemöller presents at the TEDx IowaStateUniversity event on music therapy and it's impact on the brain. She is a music therapist and utilizes music therapy to treat people with Parkinson's disease.
The C.R.A.P. test is a way to evaluate a source by asking yourself how the source responds to the following criteria:
Currency
How recent is the information?
How recently has the website been updated?
Is it current enough for your topic?
Reliability
What kind of information is included in the resource?
Is content of the resource primarily opinion? Is is balanced?
Does the creator provide references or sources for data or quotations?
Authority
Who is the creator or author?
What are the credentials?
Who is the published or sponsor?
Are they reputable?
What is the publisher's interest (if any) in this information?
Are there advertisements on the website?
Purpose/Point of View
Is this fact or opinion?
Is it biased?
Is the creator/author trying to sell you something?
--from LOEX 2008 wiki