One Way to Randomly Assign Students to Experimental and Control

question 482

Multiple Choice

One way to randomly assign students to experimental and control groups for a study of academic behaviors is to

• A)flip a coin for each student to determine which group she or he will be assigned.
• B)divide the group sitting in the front half of the room from the group sitting in the back.
• C)ask volunteers for the experimental group to raise their hands.
• D)do none of these.

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Definitions:

Phosphate Levels

The concentration of phosphate ions in the blood, which are important for energy storage and transfer, bone formation, and many other physiological processes.

Potassium Levels

Refer to the concentration of potassium in the blood, essential for muscle function, nerve function, and fluid balance in the body.

Chvostek Sign

A clinical sign where facial muscles twitch upon tapping the facial nerve, indicative of conditions like hypocalcemia.

Hyperparathyroidism

A disorder of the parathyroid glands in which there is overproduction of parathyroid hormone, leading to elevated levels of calcium in the blood.