text: Using an analogy , we can say that the case study analyst seeks to explain 100 percent of the variance by relying on a data base that includes more variables than most quantitative studies can accommodate , over more points in time , and on a method that draws on the integrative powers of the mind , which computers do not have .
  
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  using an analogy we can say the analyst seeks to explain 100 percent of variance by using data base with more variables than quantitative studies can accommodate .