A researcher would like to conduct an experiment to test the effectiveness of a program designed to raise SAT scores.
A researcher would like to conduct an experiment to test the effectiveness of a program designed to raise SAT scores. She wishes to obtain a sample of low-scoring high school students, administer the program, and then administer the SAT again. She hypothesizes that SAT scores will be higher after the program than before.
1. Provide a clear explanation/definition of “internal validity”
2. Describe and explain at least four (4) different threats to internal validity that are relevant in this study. Provide a clear and relevant explanation/justification for each of the threat to internal validity identified
Save your time - order a paper!
Get your paper written from scratch within the tight deadline. Our service is a reliable solution to all your troubles. Place an order on any task and we will take care of it. You won’t have to worry about the quality and deadlines
Order Paper Now