Eduardo designed an experiment to study the effects of a drug conviction on a person's job application.He applied online to 25 restaurants with two fake profiles - either Juan or Jaime - and flipped a coin to decide which application would indicate a previous drug conviction.He tracked the number of follow-up calls each applicant received.Eduardo can increase the internal validity of the experiment in the following ways, EXCEPT:

Question

Quizplus · Accepted Answer

Alternating between indicating a conviction for drug possession and drug distribution introduces a new variable (type of drug conviction), which could affect the outcome and does not help in controlling for other variables to increase internal validity.

Eduardo Designed an Experiment to Study the Effects of a Drug