• The Cantril Ladder elicits thoughts about power and wealth 

      Nilsson, August; Eichstaedt, Johannes C.; Lomas, Tim; Schwartz, Andrew; Kjell, Oscar (Scientific Reports;, Peer reviewed; Journal article, 2024)
      The Cantril Ladder is among the most widely administered subjective well-being measures; every year, it is collected in 140+ countries in the Gallup World Poll and reported in the World Happiness Report. The measure asks ...
    • Stress management with HRV following AI, semantic ontology, genetic algorithm and tree explainer 

      Chatterjee, Ayan; Riegler, Michael Alexander; Halvorsen, Pål (Peer reviewed; Journal article, 2025)
      Heart Rate Variability (HRV) serves as a vital marker of stress levels, with lower HRV indicating higher stress. It measures the variation in the time between heartbeats and offers insights into health. Artificial intelligence ...