Walden University| DDHA 8246 – Advanced Application of Practice-based Research in Health | Walden University
When two variables are taken together, the statistical relationship shows how closely they’re related. You could, for example, compare the results of male and female test takers to see if there is a correlation between academic performance and gender at a school. Looking at the medical records of people who are diagnosed with lung cancer may be another way to investigate the relationship between smoking and this illness.
In both cases, these relationships can be assessed numerically through calculations such as Pearson’s coefficient or Spearman’s rank order which provide an indication of the strength of correlation between two variables. Understanding how factors work together is crucial for making well-informed decisions about policies and practices. It can identify specific areas which require more study.