1. Suppose you are interested in testing the hypothesis “The herb ginkgo biloba causes one to have better memory.” 1. What is the best research design to test this hypothesis? Why? 2. Describe the...

1. Suppose you are interested in testing the hypothesis “The herb ginkgo biloba causes one to have better memory.”

1. What is the best research design to test this hypothesis? Why?

2. Describe the study you would conduct to test this hypothesis

2. ________ validity indicates that a study’s results can be generalized to other individuals and real-life situations. ___________validity indicates that a study’s results provide causal information about the variables tested.