Table 3.

Changes in LD in argumentative writing over one academic year.

	Arg. 1	Arg. 2	Arg. 3	Arg. 4	F(3,162)
Lexical words	7,920	8,461	9,017	8,913	41.067*
All words	17,189	16,632	18,254	17,759
Mean LD	0.461	0.508	0.495	0.501
Std. Deviation	0.027	0.028	0.024	0.029

Arg., argumentative; *p < 0.05.