Claims

Intervention and control groups did not differ significantly in attitudes towards statistics at pre-test

Claim · All claims
Evidence · 1 study · causal r1 · q2
Currency · newest study 2014 · 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? Pre-test Rasch scores of the two groups were very close (.51 vs .55) and an independent t-test showed no significant difference. → Koparan 2014

Evidence

Koparan 2014

Koparan, T., & Güven, B. (2014). The Effect on the 8th Grade Students' Attitude towards Statistics of Project Based Learning. European Journal of Educational Research, 3(2), 73-85. https://eric.ed.gov/?id=EJ1086040

q2 · i? · causal · r1

Independent two-sample t-test on pre-test Rasch scores of 35 intervention and 35 control students. The article reports "t(68) = -.336, p > .05" with pre-test means of .51 and .55 logits, establishing baseline equivalence.

"The result of the intervention and control groups compared to pretest prior to the application by the t test results, there is no difference between ATS of groups t(68) = -.336, p > .05."

Discussion

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