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As part of an economics class project, students were asked to randomly select 500 New York Stock Exchange (NYSE) stocks from the Wall Street Journal. As part of the project, students were asked to summarize the current prices (also referred to as the closing price of the stock for a particular trading date) of the collected stocks using graphical and numerical techniques. Identify the data collection method used in this study.
Internal Validity
The degree to which an experiment or study accurately measures or tests what it intends to, without the influence of external factors.
Operationalizing
The process of defining a research variable in practical, measurable terms, allowing it to be quantitatively or qualitatively analyzed.
Generalizability
The extent to which research findings are applicable to other settings or groups beyond the studied sample.
Operational Definition
A clear and precise description of how variables in a study are measured or manipulated, allowing others to understand and replicate the research.
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