9
call for participation. They were informed of the purposes of the present study
and their rights to be helped from any harm arising from or related to this study.
Their identities were kept confidential. The participant
selection was not
influenced by discrimination. All the participants were treated with respect and
dignity throughout the study.
CHAPTER 4: FINDINGS AND DISCUSSIONS
4.1 Effects of CL-Based Teaching on Vietnamese EFL College Students’
Knowledge of Spatial and Metaphorical Meanings
4.1.1 Experimental Results of the Spatial and Metaphorical Meanings of
the Prepositions
Overall, although both groups gained a relatively comparable score in the
pretest, CG significantly outperformed TG in the posttest. In particular, in the
pretest, CG and TG achieved a score of 20.04 and 20.28 respectively. However,
CG’s score developed by 6.96, but TG gained a mean score of only 2.08 from
the pretest to the posttest. Also, the standard deviations show that individualls
in both groups had their data points equally close
to the mean prior to the
treatments, but these values dispersed after the treatments. More specifically,
the standard deviations for CG and TG were 4.243 and 3.796 repsectively. The
statistical analysis also shows that CG’s scores
for both the spatial and
metaphorical meanings, with 4.36 and 2.60, improved more significantly than
those of TG, with .24 and 1.84 respectively in the posttest.
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