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A Researcher Is Going to Do a Longitudinal Study of Cognitive

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Essay

A researcher is going to do a longitudinal study of cognitive development in primary school children. What problems may this researcher have that could be avoided if she were to do a cross-sectional study instead?


Definitions:

Fasciculus Gracilis

A bundle of nerve fibers in the spinal cord that carries sensory information from the lower part of the body to the brain.

Secondary Receptors

Proteins or cellular components that detect signals or substances released by primary receptors and further propagate cellular response.

Receptor Potential

The change in electrical potential across a sensory receptor's membrane that occurs in response to a stimulus, leading to the generation of a nerve impulse.

Neurotransmitters

Chemicals that transmit signals across a synaptic gap between neurons in the nervous system.

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