26
/fr/
fr
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
September 30, 2021
375367
32452
2

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:

3 déc. 2017
0
0
170
psych
timeline

Date:

1 janv. 1938
Maintenaint
~ Il y a 83 ans
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