Variables:
                    A data frame with 34 observations on the following 8 variables.
	- group
 
	- 
	
a factor with levels Control Diet DietEx.
	 
	- wl1
 
	- 
	
Weight loss at 1 month
	 
	- wl2
 
	- 
	
Weight loss at 2 months
	 
	- wl3
 
	- 
	
Weight loss at 3 months
	 
	- se1
 
	- 
	
Self esteem at 1 month
	 
	- se2
 
	- 
	
Self esteem at 2 months
	 
	- se3
 
	- 
	
Self esteem at 3 months
	 
 
Details
Helmert contrasts are assigned to group, comparing Control vs. (Diet DietEx) and Diet vs. DietEx.