From Serendip | ## TIME TO THINK? |

Cases in the "Time to Think?" experiment | ||

Case 1 | Think | Press the button when you see the black square |

Case 2 | Think-Act | Press the button when you see a black square but not when you see a white one |

Case 3 | Read-Think-Act | Do what the instructions say |

Case 4 | Read-Negate-Think-Act | Do the opposite of what the instructions say |

**How many observations do we have to date?**

As of now, we have **1233** data sets.

**Does it take time to act?**

The average reaction time (Case 1) is ** 312.54** milliseconds.

**Does it take additional time to think?
Does more thinking take more time?**

As of now, | the average time for Case 2 is | 362.85 ms |

the average time for Case 3 is | 614.96 ms | |

the average time for Case 4 is | 739.80 ms |

*Does some mathematical manipulation help to clarify the answer?*

Absolute times, as summarized above, are sensitive to the particular computer being used for observations. One way to try to lessen variability in the data due to variations in computers is, for each set of observations, to divide the times for Cases 2 - 4 by the Case 1 time. This yields the various thinking times as multiples of a baseline acting time.

As of now, | the average ratio of Case 2 to Case 1 is | 1.39 |

the average ratio of Case 3 to Case 1 is | 2.36 | |

the average ratio of Case 4 to Case 1 is | 2.81 |

*Do you think the data are solid enough to draw strong conclusions regarding these questions? What other questions occur to you?*

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