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April 2012 Volume 15 Number 2 - Educational Technology & Society

April 2012 Volume 15 Number 2 - Educational Technology & Society

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Table 11 presents the ANOVA for the effects of communication mode, discussion topic, and the interaction between<br />

the two on the quality of participant contribution to discussions.<br />

Table 11. Effects of Medium and Topic on Quality of Contribution<br />

Effect F df p Partial � 2<br />

Medium 0.75<br />

Topic 22.21<br />

Medium x Topic 0.52<br />

2, 117 n.s. .01<br />

1, 117

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