[Retracted] Evaluation of Political Classroom Teaching Quality in Universities Based on DA-BP Algorithm

Table 2

Cronbach’s alpha test value.

Year	Cronbach’s alpha value
2008	0.707
2009	0.750
2010	0.868
2011	0.836
2012	0.670
2013	0.785
2014	0.731
2015	0.632
2016	0.836