EngageNY
Experiments and the Role of Random Assignment
Time to experiment with mathematics! Learners study experimental design and how randomization applies. They emphasize the difference between random selection and random assignment and how both are important to the validation of the...
Serendip
Should You Drink Sports Drinks? When? Why?
New research proves even rinsing your mouth with carbohydrates without swallowing improves performance of the central nervous system. While some think sports drinks are amazing, others say they are a waste of money. Scholars learn about...
University of Minnesota
Virtual Neurons
It's electric! Young anatomists use Virtual Neurons software to build, control, and analyze complex nerve circuits within the body. Colorful and packed with content, class members enjoy interacting with the nervous system...
University of North Carolina
University of North Carolina: Eric Notebook: Cross Sectional Studies [Pdf]
Explains what a cross-sectional study of a population is and how it compares with a cohort study. Its advantages, disadvantages, and limitations are discussed, and how it is used in studying health issues and risks. Includes two practice...