The two major features of an experiment – random assignment and manipulatiosn of an independent variable - permit the researcher to infer __________ and __________ relationships between variables

Fill in the blank with correct word

Answer: cause/effect

Psychology

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Longitudinal research takes longer to complete than does cross-sectional research

Indicate whether the statement is true or false.

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Psychology

Traditionally, injuries to the spinal cord have been considered ______

a. temporary b. treatable c. permanent d. fatal

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Psychology