A Service Based Adaptive U-Learning System Using UX

Table 6

Paired sample 𝑡-test for the experimental group between the pre- and posttest.

	Paired differences
	Mean	Std. deviation	Std. error mean	95% Confidence interval of the mean		𝑡	dt	Sig. (2-tailed)
				Lower	Upper
Pre—post	−14.60000	2.26148	.58391	−15.85237	−13.34763	−25.004	14	.000