* University of Pennsylvania's page on [http://www.sas.upenn.edu/lps/graduate/mapp MAPP] program

* {{cite book |title=Bright-sided: How Positive Thinking is Undermining America |author=Barbara Ehrenreich|authorlink=Barbara Ehrenreich |url=https://archive.org/details/brightsidedhowre00ehre |year=2010|publisher=Picador |access-date=2021-05-11|chapter=Going to the source|pages=150–158|isbn=978-0-312-65885-4|oclc=555654196}}