BIOL2022 L04 Sampling and experiments: Design is all! #2 Avoid confounding: PROCEDURAL CONTROLS and REPLICATION

Description

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
Michael Jardine
Quiz by Michael Jardine, updated more than 1 year ago
Michael Jardine
Created by Michael Jardine over 5 years ago
2
0

Resource summary

Question 1

Question
Prediction: 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]
Answer
  • Cage with roof only (no fence)
  • Fence with holes
Show full summary Hide full summary

Similar

BIOL2022 L01 Why statistics? Organisms are variable in a variable world.
Michael Jardine
BIOL2022 L03 Sampling and experiments: Design is all! #1 BEING REPRESENTATIVE when sampling biological systems
Michael Jardine
BIOL2022 L02 Considerations of sampling. The need to have statements that are testable; operating in a logical structure
Michael Jardine
BIOL2022 L05 Testing differences between two means: 1- and 2-tailed t-tests
Michael Jardine
BIOL2022 L07 Three cardinal sins: Non-independence, Confounding, Pseudoreplication
Michael Jardine
BIOL2022 L23 PERMANOVA, DISCRIMINANT ANALYSIS, MANOVA
Michael Jardine
BIOL2022 L14 DETECTING DIFFERENCES vs DESCRIBING RELATIONSHIPS
Michael Jardine
BIOL2022 L16 INFORMATION-THEORETIC METHODS vs NULL HYPOTHESIS TESTING
Michael Jardine
BIOL2022 L24 Rarefaction and Diversity
Michael Jardine
BIOL2022 L15 Dealing with BINARY RESPONSE DATA
Michael Jardine
BIOL2022 L19 Multiple response variables
Michael Jardine