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Saadi Lahlou is Professor in Social Psychology , currently Head of the Institute of Social Psychology at the London School of Economics .
 Social Psychology, Institute of Social Psychology, London School of Economics
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Social Psychology, Institute of Social Psychology, London School of Economics