Phillips and Clarizio (1988) make a serious error In concluding that developmental standard score scales produce unrealistic expectations for growth of low‐achieving students. The nature of their error is described in this response to their paper.
No takes yet. Share an insight, caveat, or question.
Wendy M. Yen (1988) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: