**Table 5 Moderating effet: limit of availability**

Model | Unstandardized Coefficients | Collinearity Statistics | R2 | ΔR2 | ΔF |

β | T | Sig. | Tolerance | VIF |

1 | (Constant) | 3.483 | 22.864 | .000 | | | .036 | .036 | 11.430 |

Attitude | .145 | 3.381 | .001 | 1.000 | 1.000 |

2 | (Constant) | 3.356 | 17.354 | .000 | | | .040 | .004 | 1.119 |

Attitude | .146 | 3.393 | .001 | 1.000 | 1.000 |

Limit of availability | .040 | 1.058 | .291 | 1.000 | 1.000 |

3 | (Constant) | 3.355 | 17.694 | .000 | | | .080 | .040 | 13.118 |

Attitude | .156 | 3.710 | .000 | .995 | 1.005 |

Limit of availability | .028 | .747 | .456 | .992 | 1.008 |

Interaction 2 | -.147 | -3.622 | .000 | .987 | 1.014 |