Quiz
BIOL2022 L04 Sampling and experiments: Design is all! #2 Avoid confounding: PROCEDURAL CONTROLS and REPLICATION
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1Prediction: If snakes are experimentally excluded, then the population of rabbits will increase, or at least will be greater than that where snake predation happens.
Design: Exclusion fences.
Problem: Hawks perch on fences using them as a vantage point from which to predate on the rabbits.
Procedural control: [blank_start]____________[blank_end]- ACage with roof only (no fence)
- BFence with holes
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- Module 1, Lecture 4 By the end of this lecture you should understand: - The need for proper controls in experiments o Effectively for everything you do! - The need for interspersion of treatments
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