Laying Out a Factorial Design in Santana's Study of the Effect

question 33

Multiple Choice

Laying Out a Factorial Design In Santana's study of the effect of beer color (pale and dark brown) and temperature (room temperature and 50 degrees F) on taste ratings, pale and dark brown were

• A)extraneous variables.
• B)factors.
• C)main effects.
• D)treatment levels.

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Definitions:

Organic Molecules

Compounds primarily made of carbon atoms bonded with hydrogen, often containing oxygen and nitrogen, and forming the basis of all life forms.

Guano

Accumulated excrement of seabirds and bats, used as a fertilizer due to its high nitrogen, phosphate, and potassium content.

Phosphorus Cycle

The biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere.

Denitrification

The microbial process of reducing nitrates or nitrites typically in soil, resulting in the escape of nitrogen gases back into the atmosphere.