Careful Measurements Reveal That a Star Maintains a Steady Apparent

question 56

Multiple Choice

Careful measurements reveal that a star maintains a steady apparent brightness at most times, except that at precise intervals of 93 hours. the star becomes dimmer for about 2 hours. The most likely explanation for this is that the star ________.

• A) has a very large "sunspot" on its surface
• B) is a member of an eclipsing binary star system
• C) is a white dwarf
• D) is a Cepheid variable
• E) is periodically ejecting gas into space, every 93 hours

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Definitions:

Methodology

This term describes the systematic, theoretical analysis of the methods applied to a field of study, encompassing concepts such as paradigm, theoretical model, phases, and quantitative or qualitative techniques.

Strange Situation

A research method used in developmental psychology to assess attachment relationships between infants and their caregivers through a series of introductions, separations, and reunions.

Avoidance Procedure

A behavioral technique used in various forms of therapy and conditioning that involves learning to avoid stimuli or situations that cause undesirable responses.

Temperament Test

An evaluation used to assess an individual's personality traits, typically used to predict behavioral tendencies in various situations.