By Current Research,aboriginal People First Came to the North American

question 20

Multiple Choice

By current research,aboriginal people first came to the North American continent about when?

• A)1,400 to 5,000 years ago
• B)14,000 to 50,000 years ago
• C)140,000 to 500,000 years ago
• D)1,400,000 to 5,000,000 years ago

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Definitions:

Attribution

The process of inferring the causes behind behaviors and events, which can influence how individuals understand and interact with their environment.

Experimenter Bias

A form of bias introduced by the experimenter whose expectations about the outcome of the experiment can be subtly communicated to the participants.

Researchers Blind

A method used in studies where researchers are kept unaware of key aspects of the research, such as which participants belong to the control or experimental group, to prevent bias.

External Validity

The extent to which the results of a study can be generalized to other situations and to other people.