Examlex
Use DeMorganʹs laws or a truth table to determine whether the two statements are equivalent.
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Nervous Systems
The complex network of nerves and cells that carry messages to and from the brain and spinal cord to various parts of the body.
Cross-Sequential Research
An approach that combines the longitudinal and cross-sectional methods by following individuals of different ages for abbreviated periods of time.
Longitudinal
A research design in which the same subjects are observed or tested repeatedly over a period of time.
Cross-Sectional
A type of study or analysis that examines data from a population at a single point in time.
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