How reliable and valid is peer evaluation in adolescents’ L2 argumentative writing?
Bibliographic record
Abstract
Peer evaluation is widely recognized for its educational benefits; however, its reliability and validity, particularly among adolescent second-language (L2) writers at the early stages of English language and literacy development, remain insufficiently explored. This explanatory sequential mixed-methods study investigated the reliability and validity of peer evaluation in English argumentative writing among 35 Grade 10 and 37 Grade 12 students from a public high school in Beijing, China. Twelve of the participating students (six at each grade) were interviewed about the validity, reliability, and value of peer evaluation. The findings indicated that peer evaluations demonstrated high levels of reliability and validity, with peer-assessed writing scores closely aligning with inter-teacher assessments. Notably, variations were observed among Grade 10 students, particularly in the evaluation of lower-order writing skills, such as grammar and vocabulary, which exhibited reduced validity. These results underscore the potential of peer evaluation in assessing higher-order content-level writing across varying levels of L2 English writing proficiency. The study also highlights areas where adolescent L2 writers may require additional support to enhance the effectiveness of peer evaluation practices in English argumentative writing. Implications for improving English argumentative writing instruction and refining peer evaluation strategies in high school L2 English classrooms are discussed. • Peer evaluation shows high reliability, similar to inter-teacher rating. • Peer evaluation works well for higher-order skills in L2 argumentative writing. • 10th graders struggled with evaluating lower-order skills like grammar. • 12th graders evaluate lower- and higher-order skills with greater validity than 10th graders.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.075 | 0.211 |
| Meta-epidemiology (narrow) | 0.000 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.002 |
| Science and technology studies | 0.001 | 0.003 |
| Scholarly communication | 0.004 | 0.003 |
| Open science | 0.002 | 0.002 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".