A variety of resources are available online for your study of Educational Research in an Age of Accountability
- http://chiron.valdosta.edu/whuitt/col/intro/valdgn.html
This website explains internal and external validity. It gives an explanation of all of the threats of internal and external validity, and gives various ways to increase the two. This site could be used as a second reference for this chapter. Although much of the information from the chapter is repeated on this site, it may be beneficial to read information in a different format or from a different author.
- http://www.utexas.edu/academic/diia/assessment/iar/how_to/methods/experiment.php
This website gives directions about how to conduct a successful experiment. This website explains how to achieve internal validity. It goes through all of the threats to internal validity; history, maturation, and instrumentation. This website would be helpful to students trying to achieve internal validity in an experiment. .
- http://www.gifted.uconn.edu/siegle/research/Experimental/experimentInstructorNotes.html
This website has a link to a phenomenal power point. The slide show has amazing graphics and gives an in depth look into internal and external validity. It includes 16 threats to internal validity and ten threats to external validity. An instructor for this course may wish to download this power point and present it in class.
