[Retracted] Performance Evaluation of SeisTutor Using Cognitive Intelligence‐Based “Kirkpatrick Model”

Table 14

Paired-sampled t-test results of study 1.

	Mean	Std. deviation	Std. error of the mean	95% confidence interval of the difference			T	df	Sig. (2-tailed)
				Lower		Upper
Pair 1: posttest of study 1–pretest of study 1	2.21786	1.02856	.19438	1.81902	2.61669		11.410	27	.000