If a Star's Measured Parallax Is 0

question 43

Multiple Choice

If a star's measured parallax is 0.2 arcsec, what is its distance?

• A) 2 pc
• B) 5 pc
• C) 20 pc
• D) 40 pc
• E) 50 pc

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Definitions:

Experimental Group

An experimental group is a group of subjects in an experiment who are exposed to the variable under investigation, allowing researchers to assess the effect of that variable.

Direction Of The Relationship

Refers to the pattern or manner in which two variables are associated, indicating whether an increase in one variable corresponds with an increase (positive relationship) or decrease (negative relationship) in the other.

Goal Of Psychology

The objective of understanding, predicting, and influencing behavior and mental processes through scientific methods.

Cognitive Neuroscience

A branch of neuroscience that studies the biological processes and aspects that underlie cognition, with a focus on the neural connections in the brain which are involved in mental processes.