Between 1840 and 1860,the Overwhelming Majority of Immigrants Who Arrived

question 87

Multiple Choice

Between 1840 and 1860,the overwhelming majority of immigrants who arrived in the United States came from

• A) Italy and Russia.
• B) Ireland and Germany.
• C) England and Russia.
• D) England and Ireland.
• E) Ireland and Italy.

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Definitions:

Placebo Treatments

Inactive substances or procedures given to a participant in place of an actual treatment, used in research to test the effectiveness of therapies.

Conditioned Stimulus

In classical conditioning, a previously neutral stimulus that, after being associated with an unconditioned stimulus, comes to elicit a conditioned response.

Snake Phobia

An intense, irrational fear of snakes, which can cause emotional and physical reactions even in the absence of real danger.

Classical Conditioning

The act of learning through establishing a relationship between a stimulus that is environmentally based and another that occurs spontaneously in nature.