You Want to Test People's Cola Preferences Using a Taste

question 204

Multiple Choice

You want to test people's cola preferences using a taste test of two different brands of cola.The participants will not know which cola they are tasting.However, you are also worried about possible clues you may give the people taking the test, so you decide to use _____ to prevent unwittingly giving the participants any clues to which cola they are tasting.

• A)a single-blind experiment
• B)a double-blind experiment
• C)random selection
• D)random assignment

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Definitions:

Nitrogenous Wastes

Nitrogenous wastes are metabolic waste compounds that contain nitrogen, such as urea and ammonia, which are produced by the breakdown of proteins and nucleic acids.

Isolecithal Eggs

Eggs with a small amount of evenly distributed yolk, typically found in mammals and other animals with minimal or no yolk segregation.

Holoblastic Cleavage

A type of cell division in embryonic development where the entire egg is evenly divided into smaller cells, common in mammals and amphibians.

Fertilization Envelope

A protective layer that forms around the egg cell of some species immediately after fertilization, blocking additional sperm from entering the egg.