Claims

PBL teaching did not significantly improve students' CET4 English scores compared with traditional teaching

Claim · All claims
Evidence · 1 study · causal r1 · q2
Currency · newest study 2018 · 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? There was no significant difference in CET4 scores between groups or between pre-test and post-test in the experimental group. → Zhou 2018

Evidence

Zhou 2018

Zhen Zhou. (2018). An Empirical Study on the Influence of PBL Teaching Model on College Students’ Critical Thinking Ability. English Language Teaching, 11(4). https://doi.org/10.5539/elt.v11n4p15

q2 · i? · causal · r1

Paired samples T test of the experimental group's CET4 scores (Table 3), with post-test group comparison in Table 4 also non-significant. The article reports no significant difference; equivalence was not tested and no effect size is printed.

"However, there is no significant difference between pre-test and post-test of the experimental group in CET4 score, which shows that the experiment has not improved the English performance."

Discussion

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