KD Lab

Reports

A reading library for IELTS, TOEFL, and other language assessment research reports.

Reports

A reading library for IELTS, TOEFL, and other language assessment research reports.

IELTS · 2023

IELTS Online: Overview

Official IELTS research report on IELTS Test - Listening and Reading; IELTS Test - Speaking; IELTS Test - Writing; Impact and Washback - IELTS on Computer; Technology; Test delivery, published in 2023.

IELTS Partners 10 pages
IELTS · 2023

Review of Recommended 2-year Limit on IELTS Validity

Official IELTS research report on IELTS Test - Speaking; IELTS Test - Writing; Impact and Washback - Stakeholder attitudes; Impact and Washback - Use of test scores, published in 2023.

IELTS Partners 11 pages
IELTS · 2022

IELTS One Skill Retake: A Bias for Best Model

Official IELTS research report on IELTS Test - Listening and Reading; IELTS Test - Speaking; IELTS Test - Writing; Impact and Washback - Improvement in test scores; Impact and Washback - Use of test scores; Test delivery, published in 2022.

IELTS Partners 4 pages
IELTS · 2020

The impact of IELTS on English language teachers in Central Vietnam

Official IELTS research report on Impact and Washback - Impact theory and practice; Impact and Washback - Stakeholder attitudes; Impact and Washback - Test preparation; Impact and Washback - Use of test scores, published in 2020.

IELTS Partners 48 pages

This section keeps public research reports separate from KD’s own research notes.

Reports can come from IELTS, TOEFL, PTE, Cambridge, ETS, Pearson, or other language assessment bodies. Each report entry can include a source link, a local PDF, and a downloadable file.