| The importance of early phonics improvements for predicting later reading comprehension KS Double, JA McGrane, JC Stiff, TN Hopfenbeck British Educational Research Journal 45 (6), 1220-1234, 2019 | 71 | 2019 |
| Progress in International Reading Literacy Study (PIRLS): National Report for England J McGrane, J Stiff, JA Baird, J Lenkeit, TN Hopfenbeck www.gov.uk/government/publications/pirls-2016-reading-literacy-performance …, 2017 | 57 | 2017 |
| Research engagement in the Progress in International Reading Literacy Study: A systematic review J Stiff, J Lenkeit, TN Hopfenbeck, H Kayton, JA McGrane Educational Research Review, 100547, 2023 | 6 | 2023 |
| PIRLS 2021: National Report for England A Lindorff, J Stiff, H Kayton https://www.gov.uk/government/publications/pirls-2021-reading-literacy …, 2023 | 3 | 2023 |
| PIRLS 2021: National Report for England. Research Report. A Lindorff, J Stiff, H Kayton UK Department for Education, 2024 | 2 | 2024 |
| PISA 2022: National Report for Wales J Ingram, J Stiff, S Cadwallader, G Lee, H Kayton https://www.gov.wales/achievement-15-year-olds-program-international-student …, 2023 | 1 | 2023 |
| PISA 2022: National Report for Northern Ireland J Ingram, J Stiff, S Cadwallader, G Lee, H Kayton https://www.education-ni.gov.uk/articles/programme-international-student …, 2023 | | 2023 |
| PISA 2022: National Report for England J Ingram, J Stiff, S Cadwallader, G Lee, H Kayton https://www.gov.uk/government/publications/pisa-2022-national-report-for-england, 2023 | | 2023 |
| PISA 2022: National Report for England. Research Report. J Ingram, J Stiff, S Cadwallader, G Lee, H Kayton UK Department for Education, 2023 | | 2023 |
| The assessment and moderation of Primary-level writing in contexts where English is the main language of instruction: A systematic review J McGrane, J Chan, J Boggs, J Stiff, TN Hopfenbeck | | |
