Examlex
The __________ Act of 1924 placed quotas for ethnic groups based on the proportion of Americans from each nationality resident in 1890, thereby severely limiting the number of whites considered to be of "lower race," that is, those from southern and eastern Europe.
Control Group
In experimental research, a group that does not receive the experimental treatment and is used as a benchmark to measure the effects of the treatment.
Basic Experimental Design
The fundamental structure of an experiment that outlines how to systematically test a hypothesis by manipulating variables and controlling conditions.
Randomly Assigning
The process of distributing subjects into groups in a way that each subject has an equal chance of being in any group.
Observing Participants
A research method that involves actively watching and sometimes interacting with participants in their natural settings to gather qualitative data.
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