MrMarshall Hired June to Collect Data from a Group of Subjects.Neither

question 29

Multiple Choice

Mr.Marshall hired June to collect data from a group of subjects.Neither June nor the subjects were aware of the independent variable that Mr.Marshall had manipulated.This is an example of _______.

• A)randomization
• B)a placebo
• C)double-blind control
• D)experimenter bias

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Definitions:

Energy Consumption

The amount of energy consumed by processes, individuals, appliances, or systems, often measured in units like kilowatt-hours (kWh) or joules.

Estimate of the Contrast

A statistical measure used to compare differences between group means in a hypothesis testing context.

Automobile Factory

A manufacturing facility dedicated to the production of automobiles, encompassing various processes like assembly, painting, and quality control.

Disc Brakes

A type of brake that uses the calipers to squeeze pairs of pads against a disc or "rotor" to create friction that slows the rotation of a shaft, such as in a wheel and axle assembly.