One characteristic that is not seen in both experiments and surveys is D The researcher exercises direct control over at least one variable.
When conducting a survey, the researcher is trying to find out about people's opinions and so they will not try to exercise control over any variable as they want true and unbiased results.
This is different for experiments where the researcher tries to control at least one variable to see its influence on other variables.
Find out more on characteristics of surveys at https://brainly.com/question/1675284
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