Answer the following questions based on your readings this week. Last week, we learned about the internal and external validity of a study.  This week we read about the validity of measures.  

• How is this different? What is the validity of a measure and how can this be assessed?
• This week we also read about the reliability of a measure.  
• What is the reliability of a measure and how is this assessed?
• What is the relationship between the reliability and validity of a measure?

Make sure to clearly define all terms and use examples, when appropriate, to illustrate your understanding of the material. As always, use APA-style citations and references for your work. 

 Complete the following readings from your textbook, Research Design and Methods: A Process Approach:

• Chapter 6: Making Systematic Observations
• Please do sub headings