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Title: A researcher theorizes that the dramatic increase in the popularity of the personal computer was ... Post by: DepecheMode on Aug 20, 2017 A researcher theorizes that the dramatic increase in the popularity of the personal computer was caused by the increased use of e-mail. Which of the conditions required to establish cause and effect has the researcher violated?
A) There must be a systematic statistical link between the variables. B) The independent variable must precede the dependent variable in time. C) There is no hypothesis. D) The possibility of a spurious relationship must be eliminated. E) There must be a logical link between the variables that explains why the two are related. Title: Re: A researcher theorizes that the dramatic increase in the popularity of the personal computer was ... Post by: Diman on Aug 20, 2017 Content hidden
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