Ptolemy's Model of the Universe

question 15

Multiple Choice

Ptolemy's model of the universe

• A)was heliocentric.
• B)included elliptical orbits.
• C)contained epicycles.
• D)was heliocentric, included elliptical orbits, and contained epicycles.
• E)None of the other choices are correct.

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Definitions:

Correlations

Statistical measures that describe the extent to which two variables change together, but not necessarily indicating causation.

Objective Test

An assessment tool designed to measure knowledge, skills, or abilities without subjective judgment.

Criterion-related Validity

The extent to which a measure is related to an outcome, where the validity is determined by comparing the measure against a known criterion or benchmark.

Construct Validity

The extent to which a test or instrument accurately measures the theoretical construct it is intended to assess.