| Study | Easterlin (2001): study US 1994 |
| Title | Income and Happiness: Towards a Unified Theory. |
| Source | The Economic Journal, 2001, Vol. 111, 465 - 484 |
| URL | http://www.jstor.org/stable/2667943 |
| Public | Adults, general public, USA, 1994 |
| Sample | Probability simple random sample |
| Non-Response | |
| Respondents N = | 2627 |
| Correlate | |
| Author's label | Household Income |
| Page in Source | 468 |
| Our classification | Household income |
| Operationalization | Total household income in US Dollars 1. Less than 10.000 2. 10-19.999 3. 20-29.999 3. 30-39.999 4. 40-49.999 5. 50-74.999 6. 75.000 and over |
| Observed Relation with Happiness | ||
| Happiness Measure | Statistics | Elaboration/Remarks |
| O-HL-c-sq-v-3-aa | DM=+ | > 10.000 M = 1,8 10-19.999 M = 2,1 20-29.999 M = 2,3 30-39.999 M = 2,5 40-49.999 M = 2,4 50-74.999 M = 2,6 <75.000 M = 2,8 |
| Code | Full Text |
| O-HL-c-sq-v-3-aa | Selfreport on single question: Taken all together, how would you say things are these days? Would you say that you are....? 3 very happy 2 pretty happy 1 not too happy |
| Symbol | Explanation |
| DM | DIFFERENCE of MEANS Type: descriptive statistic only. Measurement level: Correlate: dichotomous, Happiness: metric Range: depending on the happiness rating scale of the author; range symmetric about zero. Meaning: the difference of the mean happiness, as measured on the author's rating scale, between the two correlate levels. |