The Star Alderamin Has an Apparent Magnitude of 2

question 177

Multiple Choice

The star Alderamin has an apparent magnitude of 2.4 and an absolute magnitude of 1.4. The star Merak has an apparent magnitude of 2.4 and absolute magnitude of 0.5. Assuming that neither star has been dimmed by interstellar clouds, one can say for sure that Merak is

• A) the same distance as Alderamin from Earth.
• B) farther away from Earth than Alderamin.
• C) an intrinsically fainter star than Alderamin.
• D) closer to Earth than Alderamin.

Recognize the significant figures of World War II and their roles in shaping the outcome of the war.

Comprehend the economic, social, and political consequences of World War II on the United States.

Identify the strategies and battles that marked pivotal points in World War II.

Appreciate the complexities and consequences of international diplomacy during World War II.

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Definitions:

Internal Validity

The characteristic of a study that allows us to conclude that the manipulation of the independent variable caused the observed changes in the dependent variable.

Independent Variable

The variable in an experiment that is manipulated by the researcher to examine its impact on the dependent variable.

Dependent Variable

In research, the variable being tested and measured, expected to change as a result of manipulations to the independent variable.

Between-subject

A research design where different subjects are assigned to distinct groups, with each group experiencing a different condition or treatment.