Does having a lot of money make you mean? | The Happiness Professor

In Amsterdam filmden we Paul’s laatste onderzoek, getiteld: “Does having a lot of money make you mean?”

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Bekijk de volledige playlist van The Happiness Professor hier:
https://www.youtube.com/playlist?list=PLFET-wUc8_1U_uxyOgmxju7ktOpx-MwMT

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In opdracht van Prof. Paul Smeets
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