. 2018 Jul 19;6(7):e157. doi: 10.2196/mhealth.9151
©Aaron Springer, Anusha Venkatakrishnan, Shiwali Mohan, Lester Nelson, Michael Silva, Peter Pirolli. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 19.07.2018.
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Figure 1.
The 2x2 experimental design demonstrates the different independent variables across the groups.