Examlex
Ecological validity is present when a study results can be generalized to different settings.
Populist Movement
A political approach aiming to represent the interests of ordinary people, often against the elite or established institutions.
Progressive Movement
A broad social and political movement in the late 19th and early 20th centuries aimed at addressing issues stemming from industrialization, urbanization, and corruption.
Progressive-Era Immigrant
Refers to immigrants who moved to the United States during the Progressive Era, roughly from the 1890s to the 1920s, a period of significant social and political reform.
Emigrate
To leave one's country of origin to live permanently in another country.
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