Table 9.

The resulted relations between factors.

Factors	R	C	R + C	R–C	Group
F1	5.48	5.38	10.86	0.10	Cause
F2	4.91	5.37	10.28	−0.47	Effect
F3	5.81	6.36	12.18	−0.55	Effect
F4	5.57	5.35	10.92	0.22	Cause
F5	5.56	4.97	10.53	0.59	Cause
F6	4.55	5.03	9.57	−0.48	Effect
F7	6.17	5.72	11.90	0.45	Cause
F8	5.76	5.63	11.38	0.13	Cause