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1 janv. 1938 - We only need one thing to be happy.-George Vaillant

Description:

This was a 75 year long study that followed a group of Harvard undergraduate students for 75 years. Constantly collecting data on various aspects of each students life to determine what gave them the most happiness and often it was love.

Ajouté au bande de temps:

psych

ByAnthony LaRosa
3 déc. 2017
0
0
509

Date:

1 janv. 1938
Maintenaint
~ Il y a 87 ans
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