A Scientist Is Interested in Studying Whether Groups or Individuals

question 7

Multiple Choice

A scientist is interested in studying whether groups or individuals make better decisions. She compares a group of 10 students working together on a task to a group of 10 students, each working alone on a task, but she combines the work of these 10 students together. The 10 students whose individual work has been combined are known as a

• A) process group.
• B) member characteristics group.
• C) nominal group.
• D) scientific control group.

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Definitions:

Average

A numerical value expressing the central or typical value in a set of data, calculated as the sum of the values divided by their number.

Rectifiers

Electrical devices that convert alternating current (AC) to direct current (DC), allowing the flow of charge in one direction only, and are widely used in power supply units and electronics.

Converters

Devices that transform energy from one form to another, such as AC to DC in electrical systems, or physical units in digital systems.

Amperes

The unit of electric current, representing the flow of one coulomb of charge per second.