Construct Validity

    Provide at least a 250 word response with a minimuim of references for each of the two following questions: (1) When identifying a sample for research in your domain, what should be some ethical safeguards to take into consideration if your work would require data from certain vulnerable population, such as children, pregnant mothers, prisoners, cognitively or physically impared, or culturally isolated groups? Address each group individually. (2) What is construct validity and why is it important? What is meant by external validity and why is it important?