Question: Describe construct validity and external validity as presented in the unit readings. Describe the concepts as you understand them. Avoid quoting from the source material.

  • Describe construct validity and external validity as presented in the unit readings.
  • Describe the concepts as you understand them. Avoid quoting from the source material.
  • Identify the variable or variablesyou have selected for your quantitative research idea for this class. Provide a construct definition for each variable, as well as two possible operational definitions. Evaluate the construct validity of the operational definitions.
  • Identify the research population for your quantitative research idea. Describe what is known about the research population in terms of demographics. Try using a regular Internet search for this information.
  • Describe two reasonable sampling procedures you could use to obtain a sample for your study. Evaluate these procedures for how likely it is to provide you with a representative sample of the population. How would you evaluate the external validity of the study?
  • Discuss why construct validity and external validity are important to scientific merit.

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