Contributions of E-Portfolios Assessment to Developing EFL Learners’ Vocabulary, Motivation, and Attitudes

Table 1

Results of descriptive statistics for the pretest vocabulary and posttest vocabulary.

	Groups	N	Mean	Std. deviation	Std. error mean
Pretest vocabulary	Experimental group	50	11.62	1.22	0.17
	Control group	50	11.54	1.16	0.16
Posttest vocabulary	Experimental group	50	16.75	1.57	0.22
	Control group	50	11.73	1.36	0.19