What is the extent to which the results can hold true outside of the s What does high external validity mean? What are the threats to internal validity?

Name: Reading for 10/17
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Reading 10/17 Validity Saturday, October 15, 2016:50 PM • Did the study measure what it was intended to measure? How well? • How accurate are the conclusions? • External validity: the extent to which the results can hold true outside of the specific study ○ Can the results be generalized? ○ Would you get the same results in differentconditions? ○ Threats to external validity- factors that limit the ability to generalize the results of a study ○ Types of generalization  Generalizationfrom a sample to the population-the sample needs to be representative of the population  Generalizationfrom one research study to another