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In a laboratory, smokers are asked to "drive" using a computerized driving simulator equipped with a stick shift and a gas pedal. The object is to maximize the distance covered by driving as fast as possible on a winding road while avoiding rear-end collisions. Some of the participants smoke a real cigarette immediately before climbing into the driver's seat. Others smoke a fake cigarette without nicotine. You are interested in comparing how many collisions the two groups have. In this study, the independent variable is __________
Expansion
The process of increasing in size, volume, quantity, or scope.
Bipolar Neurons
A type of neuron with two extensions (one axon and one dendrite), common in sensory systems like the retina of the eye.
Motor Neurons
Nerve cells forming part of the pathway along which impulses pass from the brain or spinal cord to a muscle or gland.
Sensory Neurons
Neurons responsible for converting external stimuli from the organism's environment into internal electrical impulses.
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