How energetic might people feel after drinking different types of soft drinks
(caffeinated/high calorie, caffeinated/diet, decaffeinated/high calorie,
decaffeinated/diet)? There are many possibilities. Some are tabled below. See if you can interpret those tables.

1.

No Caffeine |
Caffeine | |

No Calorie |
5 |
5 |

Calorie |
5 |
5 |

DV=Energy Level on a 0 - 10 scale

Average of calorie groups=

Average of no calorie groups=

Estimated average effect of calories=

Average of caffeine groups=

Average of no caffeine groups=

Estimated average effect of caffeine=

2.

No Caffeine |
Caffeine | |

No Calorie |
5 |
7 |

Calorie |
5 |
7 |

DV=Energy Level

Average of calorie groups=

Average of no calorie groups=

Estimated average effect of calories=

Average of caffeine groups=

Average of no caffeine groups=

Estimated average effect of caffeine=

3.

No Caffeine |
Caffeine | |

No Calorie |
6 |
6 |

Calorie |
8 |
8 |

DV=Energy Level

Average of calorie groups=

Average of no calorie groups=

Estimated average effect of calories=

Average of caffeine groups=

Average of no caffeine groups=

Estimated average effect of caffeine=

4.

No Caffeine |
Caffeine | |

No Calorie |
8 |
2 |

Calorie |
6 |
0 |

DV=Energy Level

Average of calorie groups=

Average of no calorie groups=

Estimated average effect of calories=

Average of caffeine groups=

Average of no caffeine groups=

Estimated average effect of caffeine=

5.

No Caffeine |
Caffeine | |

No Calorie |
2 |
4 |

Calorie |
6 |
8 |

DV=Energy Level

Average of calorie groups=

Average of no calorie groups=

Estimated average effect of calories=

Average of caffeine groups=

Average of no caffeine groups=

Estimated average effect of caffeine=

6.

No Caffeine |
Caffeine | |

No Calorie |
2 |
4 |

Calorie |
6 |
10 |

DV=Energy Level

Average of calorie groups=

Average of no calorie groups=

Estimated average effect of calories=

Average of caffeine groups=

Average of no caffeine groups=

Estimated average effect of caffeine=