Table 2.

T-test for equality of means

	t	df	Sig. (2-tailed)	Mean Difference	Std. error difference	95% Confidence interval of the difference
						Lower	Upper
						ADC 2
Equal variances assumed	−0.419	98	0.676	−0.022891	0.054668	−0.131377	0.085595
Equal variances not assumed	−0.400	40.559	0.691	−0.022891	0.057162	−0.138370	0.092588