Evaluation

• What is a limitation of self-reported data?

  Data collected is subjective
• Why might answers to interviews not be correct?

  Participants can easily lie
• What is the Hawthorne effect?

  Participants change behavior when observed
• What does correlation in research imply?

  Results correlate but do not indicate causation
• What is a potential issue with participants answering questions about happiness?

  Some unhappy people may feel uncomfortable
• What percentage of Portuguese people reported happiness?

  10%
• What percentage of people in the Netherlands reported happiness?

  40%
• What assumption might people make based on happiness statistics from different countries?

  They might assume cultural differences in happiness
• What is a social implication of unhappiness and stress?

  There is a high economic cost
• How much more productive are happy workers compared to unhappy ones?

  12% more productive
• What is the relationship between happiness and productivity in the workplace?

  Happy workers are more productive