Examlex
Pump jack scaffolds are used widely for ____, where staging must be kept away from the walls, and when a steady working height is desired.
Random Assignment
The process of allocating participants randomly to different groups in an experiment to ensure each group is similar at the start.
Independent Variables
The variables in an experiment that are manipulated by the researcher to explore their effect on dependent variables.
True Experimental Design
A research design that includes random assignment of participants to groups and manipulation of an independent variable to determine its effect on a dependent variable.
Cost
The expenditure or amount of resources (financial, time, labor) required to achieve something.
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