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Worthen earned a bachelors degree from Northwestern University in psychology , a masters degree from Columbia University , and a Doctor of education degree from Harvard University .
 Worthen, Northwestern University, Columbia University, Harvard University
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Worthen, Northwestern University, Columbia University, Harvard University