Physical therapy (PT) may be just as successful as traditional surgery when treating a specific type

Libby Boone

Libby Boone

Answered question

2022-04-23

Physical therapy (PT) may be just as successful as traditional surgery when treating a specific type of knee ligament tear in elderly patients. A group of researchers at a large teaching hospital conduct a trial in which patients are randomly assigned to one of three treatments. A "success" means that the subject had regained full range of motion in their knee 6 months post- treatment.
  Success  Failure  Surgery 5622 PT 5435 Surgery+PT 8518
When analyzing their data, which test would be appropriate for these researchers to use?
Chi-square test of/for 

Answer & Explanation

retopire07c

retopire07c

Beginner2022-04-24Added 11 answers

The chi-square test of homogeneitytests to see whether different columns (or rows) of data in a table come from the same population or not (i.e., whether the differences are consistent with being explained by sampling error alone).
Answer :
The test would be appropriate for these researchers to use is :
Chi-square test of homogeneity.

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