1*B* | One factor (time) | One-way repeated-measures ANOVA | *F*_{(12,192)} = 2.618 | 0.0030 |

Newman–Keuls | | <0.05 |

1*C* | Normal distribution, two-tailed | Paired *t* test | *t*_{(16)} = 7.301 | <0.0001 |

2*A* | One factor (treatment) | One-way repeated-measures ANOVA | *F*_{(4,64)} = 16.92 | <0.0001 |

Newman–Keuls | | <0.01 |

2*C* | One factor (treatment) | One-way repeated-measures ANOVA | *F*_{(3,33)} = 2.16 | 0.1114 |

2*D* | One factor (treatment) | One-way repeated-measures ANOVA | *F*_{(3.24)} = 0.1766 | 0.9112 |

3*A* | Normal distribution, two-tailed | Unpaired *t* test | *t*_{(15)} = 2.943 | 0.0101 |

3*B* | Nonparametric | Mann–Whitney *U* | *U* = 25.5 | 0.3214 |

4*A* | Normal distribution, two-tailed | Unpaired *t* test | *t*_{(15)} = 4.908 | 0.0002 |

4*B* | Two factors (compulsivity, treatment) | Two-way repeated-measures ANOVA | Interaction: *F*_{(4,60)} = 3.254 | 0.0174 |

Newman–Keuls | | <0.05 (0.005 g/l for low-compulsive rats)>0.05 (0.005 g/l for high-compulsive rats) |

4*C* | Normal distribution, two-tailed | Unpaired *t* test | *t*_{(15)} = 0.4353 | 0.6695 |

5*A* | Two factors (compulsivity, treatment) | Two-way repeated-measures ANOVA | Interaction: *F*_{(4,60)} = 3.191 | 0.0192 |

Newman–Keuls | | >0.05 (30 mg/kg for low-compulsive rats)<0.01 (30 mg/kg for high-compulsive rats) |

5*B* | Normal distribution, two-tailed | Paired *t* test | *t*_{(8)} = 5.357 | 0.0007 |

6*B* | One factor (treatment) | One-way repeated-measures ANOVA | *F*_{(3,15)} = 11.71 | 0.0003 |

Newman–Keuls | | <0.01 |

6*C* | Normal distribution, two-tailed | Paired *t* test | *t*_{(5)} = 5.709 | 0.0023 |

6*F* | One factor (treatment) | One-way repeated-measures ANOVA | *F*_{(3,18)} = 7.459 | 0.0019 |

Newman–Keuls | | >0.05 |

6*G* | Normal distribution, two-tailed | Paired *t* test | *t*_{(6)} = 0.1455 | 0.8891 |