1. Unit 6b CA517 1 Unit 6b: Inadequate Designs and Design Criteria Turkish Delight - Narnia http://movies.radiofree.com/photos/the_lion_the _witch_and_the_wardrobe_08167.jpg

2. Unit 6b CA5172 Studying faulty designs helps researchers design better studies by knowing what pitfalls to avoid. helps researchers design better studies by knowing what pitfalls to avoid. http://www.cognitive- edge.com/blogs/dave/Pola r%20bear.png

3. Unit 6b CA5173 Do they measure what theyre supposed to measure? Faulty designs are discussed in terms of internal validity. Faulty designs are discussed in terms of internal validity. Validity: Measures what its supposed to measure. Validity: Measures what its supposed to measure.

4. Unit 6b CA5174 Application Example Design an experimental study using one or both of these commercials. Design an experimental study using one or both of these commercials. http://www.youtube. com/watch?v=EsOH k0JuHuY http://www.youtube. com/watch?v=EsOH k0JuHuY http://www.youtube. com/watch?v=EsOH k0JuHuY http://www.youtube. com/watch?v=EsOH k0JuHuY http://www.youtube. com/watch?v=xIk7Q _DJIgQ http://www.youtube. com/watch?v=xIk7Q _DJIgQ http://www.youtube. com/watch?v=xIk7Q _DJIgQ http://www.youtube. com/watch?v=xIk7Q _DJIgQ

5. Unit 6b CA5175 External validity Concerned with how strong a statement the experimenter can make about the generalizability of the results of the study. Concerned with how strong a statement the experimenter can make about the generalizability of the results of the study.

6. Unit 6b CA517 6 If you haven't already done so, go to the Protecting Human Research Participants Certification site. The process will take about 2-3 hours. Lets do it now. http://phrp.nihtraining.com/users/login.php http://phrp.nihtraining.com/users/login.php Info from Kerlinger & Lee and Sumser texts. Photos from www.waynelynch.ca/biography.html www.waynelynch.ca/biography.html http://aprn.org/wp- content/uploads/2008/05/polarbearcub s.jpg http://aprn.org/wp- content/uploads/2008/05/polarbearcub s.jpg http://www.sciencedaily.com/images/2 008/05/080508132549.jpg http://www.sciencedaily.com/images/2 008/05/080508132549.jpg http://cache.daylife.com/imageserve/0 7H86oV5604RD/610x.jpg http://cache.daylife.com/imageserve/0 7H86oV5604RD/610x.jpg Microsoft and AllPosters.com End