Experiences in the use of an adaptive intelligent system to enhance online learners' performance: a case study in Economics and Business courses

Table 8 Results of the unpaired two-sample Wilcoxon test on final mark distribution for Introduction to enterprise

Group	Group comparison	p-value	Significance^a
Signed	Not signed	0.0048	**
Signed	Previous semester	2.6e⁻¹⁶	*****

^aSignificance: * p ≤ 0.05, ** p ≤ 0.01, *** p ≤ 0.001, **** p ≤ 0.0001, ***** p ≤ 0.00001