scale | Meaning |

1 | It means that the two factors are of equal importance compared to each other |

3 | Element i is slightly more important than element j |

5 | Element i is significantly more important than element j |

7 | Element i is stronger more important than element j |

9 | Element i is extremely more important than element j |

2, 4, 6, 8 | Represents the intermediate value of the above adjoining judgment |

reciprocal | The ratio of factors to their importance is 1/aij |