Spasticity is typically measured with the Ashworth scale, which is a 6 point ord

Question

Spasticity is typically measured with the Ashworth scale, which is a 6 point ordinal scale, the higher the measure, the more severe the spasticity. A research article examined the effect of a new treatment on spasticity in a group of children with cerebral palsy and assessed for change with the Ashworth scale. Is it appropriate to use an un-paired t-test to analyze the results? Answers A-D A No, because the data is non-parametric B No, because the data is between group c Yes, because the data is norma D Yes, because the data is ratio

Explanation / Answer

Correct option:

No. because the data is between group

EXPLANATION: Here, the same sample of children are tested for new treatment. So, the samples are not independent. They are correlated pairs. So, only paired t test is appropriate.

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