With many thoughtful and knowledgeable people on CC, I wonder whether a collaborative project might be possible to try to help students with the digital SAT. The collaboration would follow the basic form of an intervention study.
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Enroll volunteers to take the tests to get a baseline.
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Identify (by consensus) the 2-3 most frequently tested skills tested on the new digital SAT in both the Math and Language sections.
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Using only selected sections of Khan, another review book or source (at the discretion of the volunteer), have the same volunteers prep only the high yield skills identified in 1). Limit this prep to 45 min TOTAL for each section.
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Re-test and determine the change in score. (and note the absolute score).
The purpose would be to determine whether even a very “minimal intervention” of test prep can make a significant difference.
A confounding variable could be that simply re-testing without prep may increase score, but even this could be seen as a “minimum intervention” that can affect score significantly. Another difficult to control variable would be the demographics of volunteers.
Given the relatively short new digital SAT, I would guess that the a priori odds that even 1.5 hours of total test prep (and 3 hours total including the pre-test) can yield a significant difference would be quite high.
I think the results would be interesting.