. 2016 Jan 26;7:30. doi: 10.3389/fpsyg.2016.00030
Copyright © 2016 Delle Fave, Brdar, Wissing, Araujo, Castro Solano, Freire, Hernández-Pozo, Jose, Martos, Nafstad, Nakamura, Singh and Soosai-Nathan.
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Figure 1.
Happiness definitions: percentage distribution of answers across categories.