• 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.