Principles of experimental design
Cartoons
Class lecture notes
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Types of studies. Comparing observational
studies and experiments. Submitted by Laura J. Simon.
Projects
- Guessing the Population of Turkey.
Students are asked to analyze the data
from an experiment to see if the information on a data collection form
influences the responses. Submitted by Laura J. Simon.
Videos
- Against All Odds: Inside Statistics Video 12: Experimental
Design. Distinguish between observational studies and experiments
and learn the basic principles of design including comparison, randomization,
and replication. Case material for heart disease study shows the
advantages of a double-blind experiment. (28:46 mins.) Video
available in Main Office and from Penn State AVS.
- Against All Odds: Inside Statistics Video 13: Blocking
and Sampling: Experiments and Samples. Understand
random sampling and the difference between single-factor and multi-factor
experiments and the kinds of questions each can answer. A study
of agriculturalists' efforts to find improved varieties of strawberries
demonstrates randomized block design. (28:37 mins.) Video
available in Main Office and from Penn State AVS.
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