Examlex
If a producer can use its factors of production to produce either good A or good B,then a rise in the price of A
Quasi-experiment
An empirical study used to estimate the causal impact of an intervention without random assignment to treatment and control groups.
Correlational Design
A research method used to examine a relationship between two or more variables, without inferring a causal relationship.
Longitudinal Research
A research method that involves observing and collecting data from the same subjects repeatedly over a period of time.
Operational Definition
A clear, precise description of how variables are measured or defined in a research study.
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