![]() ![]() They set up an experiment with two groups: 1) control group of employees with fixed working hours 2) experiment group with employees with flexible working hours. The experiment will run for six months. The management of a popular jeans company wants to know if flexible working hours will improve job satisfaction among employees. They are explained below using the following example: Research example ![]() There are eight factors that can threaten the internal validity of your research. However, the external validity diminishes because a lab environment is different than the outside world (that does have external influencing factors).Ī solution to this trade-off is to conduct the research first in a controlled (artificial) environment to establish the existence of a causal relationship, followed by a field experiment to analyze if the results hold in the real world. A lab setting ensures higher internal validity because external influences can be minimized. Trade-off exampleĪ causal relationship can be tested in an artificial lab setting or in the real world. The type of study you choose reflects the priorities of your research. ![]() ![]() Trade-off between internal and external validityīetter internal validity often comes at the expense of external validity (and vice versa). Frequently asked questions about internal and external validity.Trade-off between internal and external validity. ![]()
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