Healthy people with no symptoms of a heart problem do not need to undergo stress imaging tests when they go in for a yearly checkup as the test rarely leads to any real change in patient care and management.

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This cleanup process is time consuming and also leads to test quality problems.

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"You may have a very sophisticated system but the real test is how that ultimately leads to timely evacuation and actionable information, " Vatsa said.

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The real test will be whether the spending leads to strength in investment and consumption.

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The team that developed the test says it could provide valuable leads in cases where perpetrators cannot be identified through DNA profiling.

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Instead of predetermining a model and then using the available data to test it, we start with the raw data and see where it leads.

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That leads to thousands upon thousands of unnecessary biopsies every year. (The test is guilty of false negatives, too: PSA fails to spot cancer 15% of the time.) Moreover, up to 75% of prostate tumors being detected now by PSA are too small to be an immediate threat, asserts Stanford University urologist Thomas Stamey.

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Which leads to the question: How would one resolve Hollingsworth using a rational-basis test?

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It leads to a narrowing of the curriculum and a widespread teaching-to-the-test mentality that is little better than teaching by rote.

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