| Females | |||

Intrinsic Motivation Correlation-Personal Motives Vs. Happiness | Intrinsic Motivation Correlation-Personal Motives Vs. Happiness | Intrinsic Motivation Correlation-Personal Motives Vs. Happiness | Intrinsic Motivation Correlation-Personal Motives Vs. Happiness | |

New couples/Couples without children | R = 0.479 p = 0.007 N = 30 | R = 0.338 p = 0.068 N = 30 | R = 0.453 p = 0.012 N = 30 | R = 0.169 p = 0.080 N = 30 |

Couples with young children | R = 0.535 p = 0.000 N=40 | R = 0.243 p = 0.131 N = 40 | R = 0.453 p = 0.003 N = 40 | R = −0.075 p = 0.647 N = 40 |

Couples with school age children | R = 0.552 p = 0.003 N = 26 | R = 0.651 p = 0.000 N = 26 | R = 0.473 p = 0.015 N = 26 | R = 0.468 p = 0.016 N = 26 |

Couples with adolescent children | R = 0.560 p = 0.000 N = 38 | R = 0.363 p = 0.025 N = 38 | R = 0.598 p = 0.000 N = 38 | R = 0.282 p = 0.086 N = 38 |

Couples whose children have left home | R = 0.630 p = 0.094 N = 8 | R = 0.507 p = 0.200 N = 8 | R = −0.126 p = 0.766 N = 8 | R = −0.630 p = 0.09 N = 8 |

Couples in old age | R = 0.261 p = 0.296 N = 18 | R = 0.038 p = 0.882 N = 18 | R = 0.499 p = 0.035 N = 18 | R = 0.011 p = 0.967 N = 18 |

Couples with adult children staying at home | R = 0.636 p = 0.001 N = 25 | R = 0.423 p = 0.035 N = 25 | R = 0.504 p = 0.010 N = 25 | R = 0.128 p = 0.541 N = 25 |