DV_political_efficacy=(DV_Pol_Efficacy1 + DV_Pol_Efficacy3 + DV_Pol_Efficacy4 + DV_Pol_Efficacy5)/4.

	Scale Mean if Item Deleted	Scale Variance if Item Deleted	Corrected Item-Total Correlation	Cronbach's Alpha if Item Deleted
I consider myself well-qualified to participate in politics. (DV_Pol_Efficacy1)	9.60	5.714	.301	.179
I feel I could do as good a job in public office as most other people. (DV_Pol_Efficacy2)	9.52	8.010	-.079	.465
I think I am as well-informed about politics and government as most people. (DV_Pol_Efficacy3)	9.68	5.324	.308	.158
Given the right opportunity, I feel that I could do a good job influencing public officials. (DV_Pol_Efficacy4)	10.10	6.582	.116	.342
To the extent that citizens can influence politics, my efforts to do so would be more effective than the average person. (DV_Pol_Efficacy5)	9.90	6.133	.211	.260

How do I determine what values are in the equation?