The Apparent Path of the Sun Across the Celestial Sphere

question 55

Multiple Choice

The apparent path of the Sun across the celestial sphere over the course of a year is called the

• A) prime meridian.
• B) ecliptic.
• C) circumpolar plane.
• D) celestial equator.
• E) eclipse.

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Definitions:

Reversed-Treatment Pretest-Posttest Design

A research design where participants receive treatments in reverse order across two periods, allowing the examination of treatment effects over time.

Selection-By-Maturation Interaction

A potential threat to internal validity in experiments, caused when differences between groups change over time in a way that affects the dependent variable.

Pretest Sensitization

The effect that participation in a pretest may have on subjects' behavior in subsequent phases of a study, potentially biasing the results.

Time-Series Designs

Research methods that involve repeated observations of the same variables (e.g., individuals) over short or long periods of time.