Table 1.

Sixteen-cell Resolution V Fractional Factorial Design with 5 two-level covariates

Group	Readability	Processability	Graphics	Verbal	Length
1	8	Low	Text	No	Long
2	8	Low	Text	Yes	Short
3	8	Low	Graph	No	Short
4	8	Low	Graph	Yes	Long
5	8	High	Text	No	Short
6	8	High	Text	Yes	Long
7	8	High	Graph	No	Long
8	8	High	Graph	Yes	Short
9	12	Low	Text	No	Short
10	12	Low	Text	Yes	Long
11	12	Low	Graph	No	Long
12	12	Low	Graph	Yes	Short
13	12	High	Text	No	Long
14	12	High	Text	Yes	Short
15	12	High	Graph	No	Short
16	12	High	Graph	Yes	Long

N = 40/group