An extraneous variable could be defined as ___________.a.The variable that is responsible for bringing about a change to the dependent variableb.All factors that affect the relationship between the research variablesc.Changes in the dependent variable because of ambiguity in the research instrumentd.All of the above
Question
An extraneous variable could be defined as ___________.a.The variable that is responsible for bringing about a change to the dependent variableb.All factors that affect the relationship between the research variablesc.Changes in the dependent variable because of ambiguity in the research instrumentd.All of the above
Solution
An extraneous variable can be defined as "All factors that affect the relationship between the research variables". This is because extraneous variables are any variables that you are not intentionally studying in your experiment or test that may affect the outcome of your experiment or test. These variables are undesirable because they add error to an experiment. A major goal in research design is to decrease or control the influence of extraneous variables as much as possible.
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