Suppose You Want to Observe and Study the Radiation from Gas

question 90

Multiple Choice

Suppose you want to observe and study the radiation from gas inside an interstellar bubble created by a supernova.Which of the following observatories will be most useful?

• A)the Chandra X-ray Observatory
• B)the Keck I telescope on the summit of Mauna Kea
• C)the SOFIA airborne infrared observatory
• D)the Hubble Space Telescope

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Definitions:

Interrater Reliability

The level of agreement among multiple observers or raters of the same phenomenon or measurement.

Concurrent

Existing, happening, or done at the same time.

Test-Retest

A method used to assess the consistency of a measure by comparing the scores of the same participants on the same test administered at two different times.

Parallel Forms

A method of reliability assessment in psychometrics where two different versions of a test are used to measure the same construct, to check for consistency.