zmWmQs
zmWmQs
zmWmQs
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Designing Video for Massive Open Online-Education:<br />
Conceptual Challenges from a Learner-Centered Perspective<br />
Carmen Zahn, Karsten Krauskopf, Jonas Kiener, Friedrich W. Hesse<br />
Surface level effects on collaboration and learning. Results<br />
for variables describing the collaborative processes on a<br />
surface level are summarized in Table 3. Concerning the<br />
collaboration index computed from the three coding categories<br />
as described above, a between group comparison<br />
revealed a tendency for higher collaborative activity in the<br />
discussion condition (M = 33.6, SD = 21.9) than in the design<br />
condition (M = 12.3, SD = 10.6), t(8) = -2.08, p = .07,<br />
d = 0.7. A significant difference was found with regard to<br />
panels created in partnership (discussion, M = 12.0, SD =<br />
6.9, and design, M = 4.2, SD = 4.2, respectively), t(8) = -2.26,<br />
p = .05, d = 1.3. Concerning the numbers of comments, dyads<br />
given the discussion instruction wrote more comments<br />
(M = 36.1, SD = 10.6), which were also longer (M = 610.6<br />
words, SD = 290.61), than dyads given the design instruction<br />
(M = 28, SD = 8.7, t(34) = -2.4, p = .02, d =. 0.8, and M<br />
= 426.7 words, SD = 161.1, t(34) = -2.4, p = .02, d =. 0.8,<br />
respectively). Similar findings result from the coding of the<br />
WebDIVERTM protocols of a subsample. In other words,<br />
the results show that in our study the discussion task led<br />
to more collaborative activity in general, compared to the<br />
task of designing a product collaboratively.<br />
Table 3: Between group comparisons of surface level dependent<br />
variables.<br />
Deeper level effects on collaboration and learning. Variables we<br />
considered to reflect a deeper level or knowledge intensive<br />
collaborative activity are summarized in Table 4. The total<br />
number of panels where zooming in on specific elements<br />
of a scene was an indicator for the detailedness a dyad aspired<br />
to in the process of analyzing the source video was<br />
more than twice as high in the design condition than in the<br />
discussion condition; however, due to the small sample size<br />
and severe positive skewness a Mann-Whitney-U-Test did<br />
not yield significance (see Table 4). From the coding of the<br />
comments of a subsample, we considered the number of utterances<br />
referring to either the newsreel’s historic content<br />
or aspects of its filmic style. Paired-samples t-tests showed<br />
that all participants focused more on the analysis of filmic<br />
style (M = 15.3, SD = 4.9) than on historic content (M = 5.2,<br />
SD = 2.4), t(11) = 6.28, p = .00, d = 2.6. In addition, between<br />
group comparisons revealed that in the discussion condition,<br />
dyads addressed filmic style more often (M = 18.1, SD =<br />
2.9) than participants in the design condition (M = 12.7,<br />
SD = 5.2), t(10) = 2.8, p = .049, d = 1.3. There was no difference<br />
with regard to the number of utterances addressing<br />
historical content (p > .10). In contrast to the results with<br />
regard to participants’ consideration of either content- or<br />
style-related utterances reported above, here, utterances<br />
integrating both aspects of filmic style and historical content,<br />
occurred significantly more often in the design condition<br />
(M = 5.6, SD = 1.5, for discussion condition M = 3.3, SD =<br />
1.2), t(10) = 2.23, p = .05, d = 1.3.<br />
Research Track |165