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Table of Contents
Introduction.................................................................................................................... 1
Basic Concepts.............................................................................................................. 1
Designing an Experiment............................................................................................. 2
Write Down Research Problem and Questions........................................................ 2
Define Population ..................................................................................................... 2
Determine the Need for Sampling............................................................................ 2
Define the Experimental Design............................................................................... 3
Experimental (or Sampling) Unit........................................................................... 4
Types of Variables ................................................................................................ 4
Treatment Structure.............................................................................................. 5
Design Structure ................................................................................................... 6
Collecting Data............................................................................................................. 7
Analyzing Data ............................................................................................................. 7
Types of Effects........................................................................................................ 8
Assumptions ............................................................................................................. 8
Inference Space ..................................................................................................... 10
Experimental Design Examples ................................................................................. 10
Example 1: Completely Randomized Design............................................................ 10
Determining Power and Sample Size and Generating a Completely Randomized
Design .................................................................................................................... 11
Generating a Completely Randomized Design ...................................................... 13
Analyzing Data from a Completely Randomized Design ....................................... 16
Example 2: Randomized Complete Block Design .................................................... 19
Determining Power and Sample Size and Generating a Randomized Complete
Block Design........................................................................................................... 19
Generating a Randomized Complete Block Design............................................... 22
Analyzing a Randomized Complete Block Design................................................. 23
Conclusion ................................................................................................................... 28
References.................................................................................................................... 28
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