diff --git a/lectures/lecture14/lecturenotes.tex b/lectures/lecture14/lecturenotes.tex
index 571de2dbc0b2375b41369169ef9f70f66ef48ebf..afb714b079bea12d3e0608d219ec82587b6f14a3 100644
--- a/lectures/lecture14/lecturenotes.tex
+++ b/lectures/lecture14/lecturenotes.tex
@@ -67,6 +67,15 @@
\3 Break into several sub-evals to answer questions, evaluate particular
pieces of the SUT
+\1 Method for determining if effects are significant
+ \2 From chapter 20 in the book if you want to read it
+ \2 Set up: you have a categorical variable, you want to understand what
+ the affects of each choice are and whether they are significant
+ \2 Basic idea: try to explain the numbers in terms of two components:
+ \3 Actual effects
+ \3 Experimental error (randomness)
+ \2 See \texttt{rcommands.txt}
+
\1 For next time
\2 lab1 due Friday at midnight