An Experiment in Which Subjects Are Randomly Assigned Either to an "Experimental

question 82

Multiple Choice

An experiment in which subjects are randomly assigned either to an "experimental group" or a "control group" is called a

• A)randomized controlled experiment.
• B)randomized observational study.
• C)randomized cohort trial.

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Definitions:

Dendrite

Of a neuron, a cytoplasmic extension that receives chemical signals sent by other neurons.

Axon

Of a neuron, a cytoplasmic extension that transmits electrical signals along its length and secretes chemical signals at its endings.

Spinal Cord

Central nervous system organ that extends through the backbone and connects peripheral nerves with the brain.

Peripheral Nerves

Nerves located outside the brain and spinal cord that connect the central nervous system to limbs and organs.