The Double-Blind Experiment Is One in Which

question 75

Multiple Choice

The double-blind experiment is one in which

• A)the experimenters do not know which is the experimental group and which is the control group.
• B)the experimental subjects do not know that they are in the experimental group, and the control group subjects know that they are in the control group.
• C)neither the subjects in the experimental or control groups nor the experimenters know which are the experimental and control groups.
• D)the control group subjects do not know that they are in the control group, and the experimental group subjects know that they are in the experimental group.
• E)the experimental and control groups are given placebos.

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Definitions:

Magnetic Lines

Imaginary lines used to represent the strength and direction of a magnetic field.

Force

An interaction that, when unopposed, changes the motion of an object.

Electron Spin

A fundamental property of electrons that gives them a magnetic moment, described as a quantum mechanical phenomenon.

Spin Patterns

The distinct orientations and arrangements of spins (magnetic moments) of particles, often studied in quantum physics and material science.