Construct Validity

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Construct Validity

  1. 1. Construct Validity What it is When it’s used Strengths
  2. 2. Definition <ul><li>Construct validity is basically assessing how accurately your ideas and/or theories have been translated into actual procedures or measures. </li></ul>
  3. 3. Implementation <ul><li>To establish construct validity: </li></ul><ul><li>1. Define the terms </li></ul><ul><li>2. Prove you have control </li></ul><ul><li>3. Support theory with empirical evidence </li></ul>
  4. 4. Strengths <ul><li>Procedure measures what it is supposed to </li></ul><ul><li>measure </li></ul><ul><li>Has to be carried out correctly </li></ul>
  5. 5. Content Validity <ul><li>What it is </li></ul><ul><li>When it's used </li></ul><ul><li>Strengths </li></ul>
  6. 6. Definition <ul><li>Content validity is where the items of a experimental procedure are in fact a representative sample of that which is to be measured. </li></ul>
  7. 7. Implementation <ul><li>To establish content validity: </li></ul><ul><li>1. Critically review literature </li></ul><ul><li>2. Construct procedure to suit </li></ul><ul><li>3. Consult expert in field for review </li></ul>
  8. 8. Strengths <ul><li>In depth review of literature </li></ul><ul><li>Study content is thoroughly checked </li></ul><ul><li>Experts should approve it </li></ul>
  9. 9. Threats to validity <ul><li>Definition of theory </li></ul><ul><li>Interaction of different variables </li></ul><ul><li>Other effects </li></ul><ul><li>Social factors </li></ul>
  10. 10. Conclusion <ul><li>Without validity study is not conclusive </li></ul><ul><li>When done properly validity is very important </li></ul><ul><li>Can be difficult to establish validity in complex studies </li></ul>
  11. 11. Thank you for listening!

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