Why Do Investigators Sometimes Repeat an Experiment That Other Researchers

question 115

Multiple Choice

Why do investigators sometimes repeat an experiment that other researchers have already completed?

• A) to try to eliminate the independent variables
• B) to check whether the results are replicable
• C) to check whether the explanation is parsimonious
• D) to increase the demand characteristics of the experiment

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Definitions:

Single-phase Synchronous Motor

A type of AC motor that operates at a constant speed, synchronized with the frequency of the supply current.

Hysteresis Motor

A type of synchronous motor that operates using the hysteresis loss principle in the rotor to achieve torque, known for quiet operation and precise speed control.

Impedance

The total opposition to current flow in an AC circuit, including both resistance and reactance, measured in ohms.

Repulsion

A force between two similar or like charges that causes them to move apart.