Posttest grammar scores differed significantly among the three feedback groups (omnibus ANOVA)¶
Claim · All claims
Evidence · 1 study · causalr1·q2
Currency · newest study 2019 · 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? A repeated-measures ANOVA on posttest grammar scores found a significant difference among the analogy-based CF, metalinguistic, and control groups, F(2, 57) = 24.26, p = .000. → Masjedi 2019
Evidence¶
Masjedi 2019¶
Masjedi, H., & Tabatabaei, S. P. (2019). Analogy-based CF or Metalinguistic Feedback: Which One Is Better in EFL Classrooms? International Journal of Instruction, 12(3), 513-528. https://doi.org/10.29333/iji.2019.12331a
q2 · i? · causal · r1
Omnibus ANOVA on posttest scores after 8 treatment sessions; Table 8 prints Between Groups Sum of Squares 130.489, Within Groups 234.000, and the quoted F statistic with p = .000 for the 45 learners in three groups.
"As Table 8 reflects, there was a significant difference between the mean scores of the three groups, F (2, 57), 24.26, P= .000."
Discussion¶
Learner Variables¶
- Syntax — outcome: instruction changes it
Related Claims¶
- Analogy-based corrective feedback produced higher grammar posttest scores than metalinguistic feedback among young elementary EFL learners — related
- Both feedback conditions outperformed the no-feedback control group on grammar posttest scores — related
- On the immediate posttest of explicit L2 knowledge, direct CF and metalinguistic CF with rule explanations outperformed the control group while metalinguistic code CF did not. — related
- CF treatment improved regular past tense performance on both GJT and EIT with large effects — related
- Learners in all three corrective-feedback groups improve irregular past tense performance on both GJT and EIT from pretest to posttests, a within-group gain that does not separate the feedback types — related
- One-way ANOVA on posttest scores showed a statistically significant difference among the subtitle, no-subtitle, and control groups (F = 84.161, Sig. = .000) — related
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