Computer-delivered vs. face-to-face score comparability and test takers’ perceptions: The case of the two English speaking proficiency tests for Vietnamese EFL learners

Language Testing in Asia

Table 7 The Wilcoxon signed ranks test results for the VSTEP.2 Speaking test in the computer-delivered and face-to-face modes

	Grammar f2f-C	Pronunciation f2f-C	Vocabulary f2f-C	Fluency f2f-C	Content Development f2f-C	Communication Strategies f2f-C	Total score f2f-C
Z	− 0.928^a	− 0.898^b	− 1.459^a	− 0.010^a	− 3.707^a	− 1.095^a	− 1.354^a
Asymp. Sig. (2-tailed)	0.353	0.369	0.145	0.992	0.000	0.273	0.176

f2f, face-to-face; C, computer-delivered; a, based on positive ranks; b, based on negative ranks