Complete subsequent Tukey Tests and LSD tests on all significant effects and state your conclusions. When conducting post hoc tests for the type of infection x Time interaction, I want you to examine the effects of type of brain damage at each level of time.

1-2 Years 3-5 Years 7-10 Years

Postencephalitic. 71.7 62.25 50.00

Postmeningitic. 82.0 79.25 60.0

Postoperative Control 71.75 81.75 89.75

Main Effect of Infection

Postencephalitic Postmeningitic Postoperative Control

61.32 73.75 81.08

Critical difference Tukey =

Critical difference LSD =

Conclusions Tukey:

Conclusions LSD:

Subsequent Tests for Infection x Time Interaction

Critical Difference Tukey =

Critical Difference LSD =

1-2 years

Conclusions: Tukey:

Conclusions: LSD:

3-5 years

Conclusions: Tukey:

Conclusions: LSD:

7-10 years

Conclusions: Tukey:

Conclusions: LSD:

1. (10 points) Describe a main effect, simple effect and an interaction is and what the relationship between simple effects and interactions is?