“This is an Accepted Manuscript version of the following article, accepted for publication in the Journal of Web Librarianship. Chan, B. Sidecar Learning vs LibWizard: A comparison of two split-screen tutorial platforms. Journal of Web Librarianship. https://doi.org/10.1080/19322909.2021.1927930. It is deposited under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited.”