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. Author manuscript; available in PMC: 2012 Feb 29.
Published in final edited form as: Oxf Econ Pap. 2012 Jan;64(1):1–26. doi: 10.1093/oep/gpr051

Figure 1. Mean ladder and affect by day of the week.

Figure 1

Notes: Averages are taken over all respondents from January 2nd, 2008 to December 29, 2010. Positive affect is the average of the fractions of respondents who said that they experienced a lot of smiling, enjoyment, and happiness in the previous day. Not blue is one minus the average of respondents who reported a lot of worry or sadness in the previous day. Stress free is the fraction of respondents who did not report a lot of stress on the previous day