So why does every state use a different test and standard to decide whether its schools are
reaching the required progress under law? Why don't we have mandated tests across the country that are absolutely identical?With some states accusing one another for lowering their bar by using easier tests and lower standards to make their school look better, there needs to be a universal test for every state. All states should have the identical test as each other so that all the states are teaching the same information for the same test. With a variation in test, some states are teaching less valuable information and/or are teaching at a much different rate than other states. Some states are performing far better than other states on the PSSA's and thus receive more recognition and funds for their school. However, they are receiving these perks unfairly. By lowering their bar and/or having an easier test, schools are providing misleading information.
Why can't we all just have the same test?
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If you look at the test items, they ARE all the same. Just google for "sample standardized tests"
ReplyDeleteThe difference in item difficulty is manipulated by the "foils" in the multiple-choice items. And the differences in "proficiency" are in where the states set the cutting score on the test.
A single test would not change these characteristics.
For an explanation of what's going on see the article, "Why Standardized Achievement Tests are Sensitive to Socioeconomic Status Rather than Instruction and What to Do About It" at
http://ssrn.com/author=1199505