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What is research design that has multiple independent and dependent variables?
Factorial designs
Is there a research design called survey study?
Not exactly. A survey study is a study of some topic that involves collecting data using survey methods. Such research would need to be designed properly to be effective and efficient.
What is a cross section of a wall?
A cross section of a wall is a vertical or horizontal slice that reveals the internal structure and composition of the wall. It typically shows the layers of materials used, such as drywall, insulation, studs, and any finishes applied. This view helps in understanding how the wall is constructed and can be useful for design, renovation, or inspection purposes.
How the role of statistics is used in research?
Statistics is used to design the experiment (what type of data needs to be obtained and how much), then statistics is used to analyze the data (make inferences and draw conclusions).
What is NEC 427-22?
NEC 427-22 refers to a specific section of the National Electrical Code (NEC) that addresses the requirements for the installation of photovoltaic (PV) power systems. This section outlines safety standards, system design, and installation practices to ensure the safe and effective use of solar energy systems. The NEC is updated periodically, so it’s important for installers and electricians to stay informed about the latest revisions and requirements in this section.
