Photo de stock - A test person holds a perception analyzer for the analysis of the TV election debate between German chancellor Angela Merkel and Social Democratic Party top candidate Peer Steinbrueck in Stuttgart, Germany, 01 September 2013. The university Hohenheim tested the reactions to the TV debate on 220 spectators. Photo: FRANZISKA KRAUFMANN | usage worldwide. - Stuttgart/Baden-Wuerttemberg/Germany

Photo de stock: A test person holds a perception analyzer for the analysis of the TV election debate between German chancellor Angela Merkel and Social Democratic Party top.

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