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Using Matching Methods From Both Fisher's Experimental Design And Rubin's Causal Model To Compare Between Two Medical Facilities With Extremely Skewed Number Of Subjects, Gideon D. Bahn
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The present study deals with the problem of comparison between a two medical facilities' with extremely skewed sample sizes from non-experimental study. The data came from a study of rehabilitation interventions with patients diagnosed with cardiac and pulmonary issues who received treatment either in inpatient rehabilitation facilities (IRFs) or in skilled nursing facilities (SNFs). Due to inclusion and exclusion criteria, however, the study had failed to recruit sufficient number of participants between two comparison groups: 319 from IRFs and 27 from SNFs. As a result, the main hypothesis of the study was not tested due to the disparity of the …