Distributions of textbook problems predict student learning: Data from decimal arithmetic.
2008 ◽
Vol 2
(2)
◽
2011 ◽
Vol 30
(2)
◽
pp. 207-222
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1994 ◽
Vol 13
(3)
◽
pp. 260-273
◽
2017 ◽
Vol 2
(2)
◽
pp. 144-169
2012 ◽
Vol 64
(1)
◽
pp. 8-21
◽