Geometry content knowledge growth did not differ significantly between treatment and control groups despite a significant main effect of time¶
Claim · All claims
Evidence · 1 study · causalr1·q2
Currency · newest study 2015 · 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.
q2 i? Mixed ANOVA showed a significant main effect of time but no significant interaction between time and grouping (treatment/control). → Fatma Aslan-Tutak and Thomasenia Lott Adams 2015
Evidence¶
Fatma Aslan-Tutak and Thomasenia Lott Adams 2015¶
Fatma Aslan-Tutak and Thomasenia Lott Adams. (2015). A Study of Geometry Content Knowledge of Elementary Preservice Teachers. International Electronic Journal of Elementary Education, 7(3), 301-318. https://eric.ed.gov/?id=EJ1068059
q2 · i? · causal · r1
Mixed ANOVA comparing treatment (n=54) and control (n=48) groups' pre/post CKT-M geometry scores found "no significant interaction between time and grouping"; equivalence was not tested. The article reports no effect size for the interaction.
"Results indicated a significant main effect of time F(1, 91) = 28.38, p<.001 but there was no significant interaction between time and grouping (treatment/control), F(1, 91) = .21, p=.646."
Discussion¶
Related Claims¶
- Treatment-group preservice teachers showed a statistically significant increase in geometry content knowledge after the quadrilateral activities intervention — related
- DG-group lessons were significantly better designed for conjecture-to-proof progression and used dynamic features far more than control lessons, while other observed teaching aspects did not differ significantly — related
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