An Experiment Was Conducted to Assess the Effects of a Minor

question 44

Essay

An experiment was conducted to assess the effects of a minor tranquilizer on a performance task at different levels of stress. The levels of stress (Factor A ) were moderate and high and the levels of tranquilizer (Factor B ) were none and moderate. A two-way ANOVA was done on the data and there was a significant A x B interaction. Explain what this means.

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Definitions:

Bacterium

A domain of single-celled, prokaryotic organisms that are often characterized by cell walls, and can be found in a vast array of environments.

Comma-Shaped

Resembling the punctuation mark comma in shape, with a curved form that narrows to a point at one end.

Vibrios

Vibrios are a genus of Gram-negative bacteria, many of which are pathogenic, causing diseases such as cholera in humans.

Protozoans

Single-celled eukaryotic organisms, often parasitic, that can cause diseases in humans and other animals.