At What Distance Are Stars Assumed to Be from Earth

question 101

Multiple Choice

At what distance are stars assumed to be from Earth when they are represented by their absolute (as opposed to their apparent) magnitude?

• A) 10 ly
• B) 10 parsecs
• C) 10 AU
• D) 1 ly

---

Definitions:

Group Experimental Designs

Research designs that involve manipulating one or more independent variables to observe the effect on a dependent variable across different groups.

Single-Subject Designs

Single-subject designs are research methods that focus on understanding the effect of an intervention or treatment on a single participant or subject over time.

Randomized AB Design

A study design where participants are randomly assigned to a baseline condition (A) and an intervention (B) to assess the effect of the intervention while minimizing selection biases.

Factorial Analysis

A statistical method used to describe variability among observed variables in terms of fewer unobserved variables.