26
/de/
de
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
February 28, 2022
375367
32452
2

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

Beschreibung:

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.

Zugefügt zum Band der Zeit:

3 Dez 2017
0
0
174
psych
timeline

Datum:

1 Jan 1938 Jahr
Jetzt
~ 84 years ago
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