Pooling Time Series Based on Slightly Different Questions About the Same Topic Forty Years of Survey Research on Happiness and Life Satisfaction in The Netherlands.

Soc Indic Res · 2016 · PMC4751175 · PMID 26912945

Europe PMC DOI

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an increasing trendno p-value reported

In an aging society for example, an increasing trend in life satisfaction might be due to a positivity effect of an age-related trend of the older person having a positive view towards life (NRC 2013 ).

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