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Kayla and Jada are roommates in New York City.Both Kayla and Jada recently received raises.Kayla now purchases more mp3 albums online than before,but Jada buys fewer.Kayla behaves as if mp3 albums are _____ goods,and Jada's income elasticity of demand for mp3 albums is _____.
Independent Variable
An independent variable is a factor or condition that is intentionally changed by the researcher to observe its effects on a dependent variable in an experiment.
Experimenter
An individual who conducts research or experiments, typically in a scientific context, to test hypotheses and draw conclusions.
Manipulated
In experimental research, refers to the intentional changing or altering of the independent variable to observe its effect on the dependent variable.
Control Group
In experimental research, a group of subjects that does not receive the treatment or experimental condition and is used as a benchmark to measure how the other tested subjects do.
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