Video program explains the difference between observation and experiment and the principles of experiment design. Lesson draws on real-life example of heart disease study and a double-blind experiment. [28:39]

This slideshow gives a detailed explanation of the characteristics of statistical questions and how they differ from other types of questions, the types of studies, and the methods for collecting data. It describes the case of Clever...

Practice questions on principles of experimental design.

This tutorial from Cornell University's College of Veterinary Medicine explains what a cross-sectional study is, its key characteristics, how to assess events and outcomes, and some special considerations when choosing sample...

Most of the flavoring in gum is due to the sugar or other sweetener it contains. As gum is chewed, the sugar dissolves and is swallowed. After a piece of gum loses its flavor, it can be left to dry at room temperature and then the...

The video series shows students the relevance of statistics in real-world settings. The resource includes 26 half-hour videos. Topics include normal distributions, probability, random variables, experimental design, and describing data.

Vasarosnamenyi Baro Eotvos Lorand, better known as Roland Eotvos or Lorand Eotvos throughout much of the world, was a Hungarian physicist who is most recognized for his extensive experimental work involving gravity, but who also made...

Students design and conduct experiments to determine what environmental factors favor decomposition by soil microbes. They use chunks of carrots for the materials to be decomposed, and their experiments are carried out in plastic bags...

English scientist William Crookes was very innovative in his investigations with vacuum tubes and designed a variety of different types to be used in his experimental work. Crookes tubes are glass vacuum chambers that contain a positive...