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. Author manuscript; available in PMC: 2016 Jun 3.
Published in final edited form as: Comput Educ. 2014 Feb;71:198–205. doi: 10.1016/j.compedu.2013.09.017

Table 4.

ANCOVAs for cognitive load and time-on-task.

Dependent variables Source df F Partial eta squared p
Cognitive load Prior knowledge 1 .66 .01 .419
(A) Cognitive interactivity 1 50.01 .27 .000
(B) Behavioral interactivity 1 1.10 .01 .296
A × B (interaction) 1 6.47 .05 .012
Error (within groups) 138
Time-on-task Prior knowledge 1 1.05 .01 .307
(A) Cognitive interactivity 1 79.11 .36 .000
(B) Behavioral interactivity 1 .36 .00 .549
A × B (interaction) 1 20.73 .13 .000
Error (within groups) 138