Research by Diener et al. (1999) found no meaningful link between how intelligent a person is and how happy they are.

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Contrary to common assumptions, research has found no significant positive correlation between happiness and certain life factors. Key examples include parenthood and objective physical attractiveness, which studies have shown to have little to no link to an individual's overall well-being.

Factors Not Significantly Correlated with Happiness

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Which of the Following Is Not a Factor Connected to Happiness?

Despite the common belief that having children is essential for a fulfilling life, research across various countries suggests there is no positive link between parenthood and happiness. In fact, aggregate data indicates that individuals without children often report higher levels of happiness than parents do.

Parenthood's Lack of Correlation with Happiness

While an individual's self-perceived level of attractiveness may predict their happiness, studies show that a person's objective physical attractiveness has only a weak correlation with their overall well-being. This suggests that how attractive a person feels is more influential on their happiness than how they are rated by external standards.

Physical Attractiveness's Weak Correlation with Happiness

Despite common assumptions that gender might influence happiness, research has found no significant gender differences in happiness (Diener, Suh, Lucas, & Smith, 1999).

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