Spectral Lines Are of Particular Importance in Astronomy Because

question 63

Multiple Choice

Spectral lines are of particular importance in astronomy because

• A) each different element has a characteristic line spectrum.
• B) they can be observed through a diffraction grating.
• C) they are the only light bright enough to be seen over long distances.
• D) only stars produce bright line spectra.

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Rater Bias

The tendency of assessors to let their personal opinions, preferences, or prejudices influence their judgments of others' performance or characteristics.

Performance Standards

Benchmarks or criteria set by an organization to measure an employee's work performance against predetermined objectives.

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The process of obtaining information about jobs by determining the duties, tasks, or activities of jobs.

Performance Management

The process of creating a work environment in which people can perform to the best of their abilities