Experimental Design
Quiz by Peter Wilson
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10 questions
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- Q1Anything in an experiment that CAN change. These are usually held constant except for the one you're testing.Variable45s
- Q2This is the only variable you change on purpose. You do this to see if it makes a difference or change. It is your 'cause'.Independent Variable45s
- Q3The thing (variable) that you are measuring. You want to see if this was affected by a change in the Independent Variable.Dependent Variable45s
- Q4These are variables that you keep constant and are the same across all groupsControl Variable45s
- Q5This is the group in your experiment where you change your Independent Variable - you are 'experimenting' on this group.Experimental Group45s
- Q6This is a group that represents a normal condition.Control Group45s
- Q7Getting results from something that shouldn't give you results. Feeling better when you take a fake medicine. It's all in your head, but the results are real.Placebo Effect45s
- Q8How many people, items, or things that you are testing in your experiment. The bigger your sample size, the more you can trust your results (more Reliable)Sample Size45s
- Q9Is what you are measuring really what you want to measure? Is your experiment Valid? Is it accurate and true.Validity45s
- Q10How much you can trust your results. This is affected by sample size, number of trials and your experimental design.Reliability30s