TY - JOUR TI - Randomised Controlled Trials for Evidence-based Education: Some Problems in Judging 'What Works' AU - Morrison, Keith T2 - Evaluation & Research in Education DA - 2001/10// PY - 2001 DO - 10.1080/09500790108666984 DP - USJ Library VL - 15 IS - 2 SP - 69 EP - 83 J2 - Evaluation & Research in Education LA - en SN - 0950-0790, 1747-7514 ST - Randomised Controlled Trials for Evidence-based Education UR - http://www.tandfonline.com/doi/abs/10.1080/09500790108666984 ER -