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Selecting Student Explanations

The most challenging aspect of giving the MRI interview is to listen closely, follow the student’s reasoning, and match the student's reasoning to one of the explanations listed. Since reports are based on these explanations, the more accurate your selections, the more informative the reports will be. Use the following guidelines to help select the explanation that most clearly matches how the student reasoned.

If the student's explanation is unclear:

Ask the student to explain again.

 

If the student's explanation is faulty:

Select "Guessed, did not explain, or gave faulty explanation."

Amelia: 100 − 18

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Adelina: Compare 38 and 56

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If the student's explanation matches two choices listed:

Select “Changed to all fractions, decimals, or percents and then compared” or “Compared to 1/2 or 1”, and record the other explanation in the Notes field.

 

If the student’s explanation doesn't exactly match the language of any choices listed:

Select “Multiplied 20 × 1 and then 20 × 0.5” since it captures how Sergio reasoned even though his language was different.

Dina: Compare 45, 0.503, and 0.7

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Sergio: 20 days, 1.5 miles each day

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If there is no match for the student's explanation:

Select "Gave other reasonable explanation." Then use the Notes field to record how the student reasoned.

 

If the answer is still incorrect after the student explains:

Selecting an explanation is optional. Using the Notes field to record how the student reasoned can be helpful for informing your instruction.

Amir: 3 − 1.9

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Andres: 3 − 1.9

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