Closed nonlinear problem patterns were very difficult for at-risk students, particularly second graders¶
Claim · All claims
Evidence · 1 study · causalr2·q1
Currency · newest study 2017 · not yet checked against its sources · not reviewed by a person
Subclaims¶
Reading the evidence codes
q is the design tier, i the impact, n the sample, and the kind with its r
the rigour judged within that kind: what each code means.
This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.
q1 i? During the third month, students extended to closed nonlinear PPs, which were very difficult, especially for second graders. → Amiripour 2017
Evidence¶
Amiripour 2017¶
Amiripour, P., Dossey, J.A., & Shahvarani, A. (2017). Using a new schema approach with primary at-risk students in word problem solving. REDIMAT, 6(3), 228-255. http://dx.doi.org/10.17583/redimat.2017.2612
q1 · i? · causal · r2
Observational finding from the third month of the experimental treatment described in the Conclusion. The article describes closed PPs as those where all circles relate to each other, like a circle, and states they occur in the nonlinear category.
"Closed nonlinear PPs were very difficult for at-risk students , particularly second graders."
Discussion¶
Related Claims¶
- Nonlinear word problems with more than one operation posed extreme difficulty for at-risk students, even within PP instruction — possibly the same claim (merge candidate)
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