1. Assessment Reform Group. (2008). Changing assessment: Practice, process, principles and standards. Online. Available http://www.assessment-reform-group.org/ARIA%20English.pdf . Accessed 28 January 11.
2. Barrett, H. (2004). Electronic portfolios as digital stories of deep learning. Online. Available http://electronicportfolios.org/digistory/epstory.html . Accessed 07 December 10.
3. Collins, S., Reiss, M., Stobart, G. (2008). The effects of national testing in science at KS2 in England and Wales. London: Wellcome Trust.
4. Davies, D. (2009). Digital portfolio assessment of secondary students’ scientific enquiry skills: the e-scape project. European Science Education Research Association (ESERA) 2009, Istanbul, Aug 31–Sept 4.
5. Department for Children, Schools and Families (DCSF). (2010). Assessing pupil progress (APP) overview. http://nationalstrategies.standards.dcsf.gov.uk/primary/assessment/assessingpupilsprogressapp . Accessed 24 January 11.