Introduction to Experimental Design
Training session with Dr Helen Brown, Senior Statistician, at The Roslin Institute, January 2016.
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These training sessions were given to staff and research students at the Roslin Institute. The material is also used for the Animal Biosciences MSc course taught at the Institute.
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*Recommended YouTube playback settings for the best viewing experience:  1080p HD
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Content:
Generalisability
-Range of applicability required?
---Generalise results to: all species, one species, environments, etc?
-What to sample?  
---Cages? Animals? Litters? Measurements on same animal?
---Units that are independent
---Interventions are allocated to sampling unit

Study of ‘Hen Housing': Factory or Free Range
-Observations on hens are not independent
-Averages at farms are independent
-Sample farms, not hens

Are chimps smarter than humans?
-Replicating Charles and Bush ...
-Conclude: THIS chimp is dumber than THIS human

But we wish to know...Are chimps are dumber than humans?
-Need measurements from different chimps and humans