Inspiratie
The research
If you like to know more about the idea's behind the Kindness Collective Nijmegen or learn about the research you can find here more information. You can visit the website of Sonja Lyubomirsky or Shawn Achor. You can also read books about the research or watch things on youtube.
Links
website of Good thinkthese two minute daily habits will make you happier immediately researchers say
The book the Happiness advantage of shawn Achor at amazon.com
website of sonja lyubomirsky