Use the Figure Above to Answer the Following Question(s)

question 4

Short Answer

Use the Figure above to answer the following question(s).
-What are the two peak years for immigration into the United States?

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Definitions:

Confound

A variable that influences both the dependent variable and independent variable, leading to a potential misinterpretation of the results.

Field Research

The collection of raw data outside a laboratory, in its natural environment, often involving direct observation and participation.

Longitudinal Research

An approach in research involving repeated observations of the same variables (e.g., people) over short or long periods of time, from months to decades.

Pilot Research

An initial study conducted to test the feasibility of a project or experiment before a larger scale study is launched.