Subject code: I01ab03

Study | DeVoe & Pfeffer (2009): study US 1987 |

Title | When Is Happiness About How Much You Earn? The Effect of Hourly Payment on the Money-Happiness Connection. |

Source | Personality and Social Psychology Bulliten, 2009, Vol. 12, 1602 - 1618 |

DOI | DOI:10.1177/0146167209346304 |

Public | Working people, USA, 1987 - 1988 |

Sample | Probability stratified sample |

Non-Response | |

Respondents N = | 13007 |

Correlate | |

Author's label | Income |

Page in Source | 1609 |

Our classification | Household income , code I01ab03 |

Operationalization | Self report on household wage and salary income |

Observed distribution | M = 30,107.60, SD = 34,033.20 |

Observed Relation with Happiness | ||

Happiness Measure | Statistics | Elaboration/Remarks |

O-HL-c-sq-n-7-b | r=+.08 p < .01 | salaried r = +.04 (05) paid by the hour: r = +.09 (001) Significant interaction between income and hourly status, income has a greater effect on happiness for those paid by the hour: ? = +.05 (02) |

O-HL-c-sq-n-7-b | Beta=+.06 p < .05 | Beta controlled for - hourly status (salaried vs paid by the hour) - occupation - age - gender - education - marital status - having children |

Appendix 1: Happiness measures used

Code | Full Text |

O-HL-c-sq-n-7-b | Selfreport on single question: Next are some questions about how you see yourself and your life. Taking all things together, how would you say things are these days? 1 very unhappy 2 3 4 5 6 7 very happy |

Appendix 2: Statistics used

Symbol | Explanation |

Beta | STANDARDIZED REGRESSION COEFFICIENT by LEAST SQUARES (OLS) Type: test statistic. Measurement level: Correlates: all metric, Happiness: metric. Range: [-1 ; +1] Meaning: beta > 0 « a higher correlate level corresponds to a higher happiness rating on average. beta < 0 « a higher correlate level corresponds to a higher happiness rating on average. beta = 0 « no correlation. beta = + 1 or -1 « perfect correlation. |

r | PRODUCT-MOMENT CORRELATION COEFFICIENT (Also "Pearson's correlation coefficient' or simply 'correlation coefficient') Type: test statistic. Measurement level: Correlate: metric, Happiness: metric Range: [-1; +1] Meaning: r = 0 « no correlation , r = 1 « perfect correlation, where high correlate values correspond with high happiness values, and r = -1 « perfect correlation, where high correlate values correspond with low happiness values. |

Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.

http://worlddatabaseofhappiness.eur.nl