Examlex
How do we know that halo stars are older,on average,than disk stars?
Key Words
Important terms or phrases used in a text or research that capture the main points or themes.
External World
The reality existing outside an individual's mind, perceived through the senses.
Validity
A measure of whether a test measures what it is supposed to measure.
Task-Oriented
Focused or centered on the completion of specific tasks or objectives rather than on broader goals or social interactions.
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