Reply to Hardy vs Deal PARCC results

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Reply to "Hardy vs Deal PARCC results"

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[quote=Anonymous][quote=Anonymous]Okay, this is now the third thread I am posting the exact same comment:

I'm a data scientist and the XLS spreadsheet of scores is a mess to parse. I have little confidence in the conclusions I'm seeing being drawn on this messageboard (not just this thread). [b]Perhaps everyone else is better at this than me[/b], but it is damn near impossible to figure out which columns sum to one another. Unless you can conclusively understand the data architecture (and summation is the first step), you should hesitate to draw conclusions.

I am interested in drawing lessons regarding Hardy and Deal from the PARCC data. I've failed so far. Give me some more time (hours or until tomorrow) to make some headway. But, in general, unless you honestly believe the poster completely understands the data structure (and my professional opinion is to be highly skeptical for this data set), you should cast aside the conclusions. [/quote]

No, they are not better at it than you.  They are just so bad at statistics that they don't realize how bad their "conclusions" are.  It's emotional responses and what people want to see that they then "support with evidence from the numbers".[/quote]

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