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

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

Descripción:

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.

Añadido al timeline:

3 dic 2017
0
0
170
psych
timeline

fecha:

1 ene 1938 año
Ahora mismo
~ 83 years ago
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