Method: Nested Model

Methods: Nested Model, Interaction, Experimental Design,
Topics: Medical,
Datafile Name: Heart Valves
Abstract:

Artificial heart valves were tested in a mechanical apparatus which measured and controlled the pulse rate and the blood pressure of the heart. The purpose of the experiment was to determine the best valve type of the four studied. The maximum flow gradient (in mm Hg) is the dependent variable fo...

Methods: Experimental Design, Nested Model, General Linear Model, Dotplot, Boxplot,
Topics: Biology,
Datafile Name: Eggs
Abstract:

A single can of dried eggs was stirred well. Samples were drawn and a pair of samples (claimed to be of two "types"), was sent to each of six commercial laboratories to be analyzed for fat content. Each laboratory assigned two technicians, who each analyzed both "types". Since...

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