Which of these is an advantage of the experiment, rather than something experiments are limited in doing?Question 4Answera.Have high external validityb.Easy to study many factors at the same timec.Can manipulate any variable you choosed.Can isolate causes free of any confounding variables

Which of the following is an important advantage of experiments over observational studies? Check all that apply. Ensuring that each subject in the trial receives the best possible treatment Isolating the effects of a specific treatment Guaranteeing that approximately the same number of subjects is assigned to each treatment group Controlling for lurking variables to have a stronger case for causation

Which of these is a disadvantage experiments have compared to other methods?Question 9Answera.They can ignore ethical issues more easilyb.They give a less clear picture of causalityc.Their results are not easily confirmed by applied studiesd.They are less able to consider more than one influence at once

Explain the importance of controlling variables for the validity of an experiment.

Experiments are useful because ______.Multiple choice question.they allow researchers to manipulate variablesthey cause increased productivity within the control group and the experimental groupsociologists know exactly what the outcomes will bethey tend to attract significant external funding

When the results of an experiment can confidently be attributed to the effect of the independent variable, the experiment is said to have A. been controlled B. internal validity C. achieved its aim D. external validity