Which of the following are reasons that are potential limitations to a research study? Choose all that apply.  People who were refused to answer  The graphs are drawn in a way to mislead the reader  The research was not able to survey every individual from the population   The funders of the project are partial to the results  Trying to conclude that there is a cause – and- effect relationship when something else causes both   Two factors cannot be separated to determine which is the one that is responsible to outcome

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