Examlex
In the long run, when there are economic losses, firms leave the industry, which will decrease the market supply and increase price until economic losses are zero.
Extraneous Variables
Factors in a study that could undermine the internal validity by influencing the dependent variable in a way not intended by the research.
Independent Variables
Variables in an experiment that are manipulated or changed by the researcher to observe their effect on dependent variables.
Counterbalanced Crossover Design
An experimental design where participants are exposed to multiple conditions in a sequence that is randomized to control for the order effects.
Posttest
An evaluation or test conducted after the completion of an educational or training program to measure what participants have learned.
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