Number | Model | Starting point (z) | Drift rate (5) |
---|---|---|---|

1 | Valence independent | z = 0.5 | v |

2 | Valence-dependent starting point | 0 < z < 1 | v |

3 | Valence-dependent drift rate | z = 0.5 | v = β0 + β1 factory desirability |

4 | Valence-dependent drift rate and starting point | 0 < z < 1 | v = β0 + β1 factory desirability |

For each group, we ran four models which differed in whether we allowed the starting point to vary (models 2 and 4), whether we included a valence-dependent drift rate bias (models 3 and 4), or neither (model 1).