If You Compare Two Stars,the One with the

question 17

Multiple Choice

If you compare two stars,the one with the

• A) larger radius must have the greater luminosity.
• B) higher surface temperature must have the greater luminosity.
• C) smaller absolute magnitude must have the greater luminosity.
• D) larger surface area has the greater energy flux from its surface.

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Definitions:

Hypotheses

Proposed explanations made on the basis of limited evidence as starting points for further investigation.

Correlational Studies

Research methods that examine the relationship between two or more variables without manipulating them to determine causation.

Double-Blind Study

An experimental design in which neither the participants nor the researchers know who is receiving a particular treatment, to prevent bias.

Test-Retest Reliability

A measure of consistency where the same test is administered to the same group of people at two different points in time, and the scores are compared.