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He relocated to the University of Washington in 1948 , where he applied Skinner 's techniques on children at the Institute of Child Development , and wrote several textbooks in the field together with Donald Baer .
 University of Washington, Skinner, Donald Baer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 University of Washington, Skinner, Donald Baer