Figure 3. Items 5, 6, 7, 9, 11, 16, 19, and 20 in the Achievement Test on Variations

From

Comparing Mathematics Achievement: Control vs. Experimental Groups in the Context of Mobile Educational Applications

Charlotte M. Canilao, Melanie G. Gurat

American Journal of Educational Research. 2023, 11(6), 348-358 doi:10.12691/education-11-6-2