“…Formative assessments are systematically designed interventions administered during the assigned period of instruction to enhance cognitive and motivational support for learning and achievement in multiple ways: by informing students of the gap between their existing and expected knowledge states, by familiarizing students with what will be expected on summative assessments, by providing feedback on students' thinking, and by guiding the direction of their learning. Because they are not part of summative assessment, these instructional interventions occur within a nonthreatening environment (Rolfe and McPherson, 1995;Sadler, 1989;Wass et al, 2001), which may account for the positive response such assessments elicit among students across all types of formats and domains (Henly, 2003;Hill et al, 1994;Houghton and Wall, 2000;Paschal, 2002;Peat and Franklin, 2002;Ritter, 2000;Vaz et al, 1996;Velan et al, 2003). A recent report published by the Association of American Medical Colleges (2004) proposing curricular reform guidelines towards an ideal medical education system states that such a system will, ''conduct a rigorous assessment of learners' abilities throughout the course of their careers, to assist them in improving their performance (formative assessment) and to ensure that they have achieved the level of performance required to advance professionally (summative assessment).''…”