For a Study to Be a True Experiment Requires

question 119

Multiple Choice

For a study to be a true experiment requires:

• A)random assignment
• B)a control group
• C)both a and b
• D)neither a nor b

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Definitions:

Trace Element

An element required by an organism in very small amounts.

Iron

A metallic element essential for human life; involved in oxygen transport within the bloodstream.

Obesity

Excess accumulation of body fat; a person is considered obese if the body mass index (BMI) is 30 or higher.

Fat Cells

Cells known as adipocytes, which are specialized in storing energy in the form of fat and play a key role in metabolism, body temperature regulation, and cushioning of organs.