Dylan Wiliam is an emeritus professor of educational assessment at the Institute of Education at the University of London.
Black, P., & Wiliam, D. (2009). Developing the theory of formative assessment. Educational Assessment, Evaluation and Accountability, 21(1), 5–31. doi:10.1007/s11092-008-9068-5
Wiliam, D. (2007). Keeping learning on track. In F. K. Lester (Ed.), Second handbook of research on mathematics teaching and learning (pp. 1053–1098). Charlotte, NC: Information Age.
Black, P., Harrison, C., Lee, C., Marshall, B., & Wiliam, D. (2004). Working inside the black box: Assessment for learning in the classroom. Phi Delta Kappan, 86(1), 9–22. doi:10.1177/003172170408600105
Wiliam, D., Lee, C., Harrison, C., & Black, P. (2004). Teachers developing assessment for learning: Impact on student achievement. Assessment in Education: Principles, Policy & Practice, 11(1), 49–65. doi:10.1080/0969594042000208994
Black, P., & Wiliam, D. (1998). Assessment and classroom learning. Assessment in Education: Principles, Policy & Practice, 5(1), 7–74. doi:10.1080/0969595980050102
Black, P., & Wiliam, D. (1998). Inside the black box: Raising standards through classroom assessment. Phi Delta Kappan, 80(2), 139–148.