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A nurse is time-taping an I.V. bag of 1,000 mL that is to infuse over 8 hours. The nurse places the 1100 hour marking at the 500-mL level. At which level should the nurse place the mark for 1200 hours?
Internal Validity
The extent to which a research study accurately establishes a cause-effect relationship between the treatment and the observed outcome, minimizing the confounding variables.
Random Assignment
A method used in experiments where participants are allocated to different groups purely by chance, minimizing bias and equalizing other variables.
Experimental Design
A research strategy that involves manipulating one or more variables to determine their effect on a dependent variable while controlling other factors.
Maturation
The process of growth or development over time, which can influence outcomes in longitudinal studies due to naturally occurring changes within the subjects being studied.
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