Castro-Alonso, J. C., Ayres, P., & Paas, F. (2015). Animations showing Lego manipulative tasks: Three potential moderators of effectiveness. Computers & Education, 85, 1-13. https://doi.org/10.1016/j.compedu.2014.12.022

Johns Hopkins University

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1. Mostly used to measure overall cognitive load. 
2. DeLeeuw et al. 2008 suggest that effort rating is correlated with extraneous load and intrinsic load. 
3. Paas 1992 utilizes a 9-grade symmetrical category scale from very, very low mental effort (1) to very, very high mental effort (9).
4. Castro-Alonso et al.  slightly modified scale from Paas 1992 to be "How much mental effort did you invest in completing the task?"; range = 1 (extremely small amount) to 9 (extremely large amount). 

Effort Rating

DeLeeuw, K. E., & Mayer, R. E. (2008). A comparison of three measures of cognitive load: Evidence for separable measures of intrinsic, extraneous, and germane load. Journal of educational psychology, 100(1), 223.


A comparison of three measures of cognitive load: Evidence for separable measures of intrinsic, extraneous, and germane load.

Paas, F. G. (1992). Training strategies for attaining transfer of problem-solving skill in statistics: a cognitive-load approach. Journal of educational psychology, 84(4), 429.


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