A small number of participants in a study, making it difficult to generalize the results to a larger population.
Ecological Validity
The extent to which the results of a study reflect real-world situations, rather than artificial laboratory settings.
Informed Consent
The process of obtaining participants' voluntary agreement to participate in a study, after they have been fully informed about the research's purpose, procedures, and risks.
Real-World Tasks
Using tasks or procedures that are similar to those used in everyday life, rather than artificial laboratory tasks, to increase ecological validity.