A Researcher Conducts a One-Way ANOVA Involving Three Groups

question 142

Multiple Choice

A researcher conducts a one-way ANOVA involving three groups. When she analyzes the data she realizes the data seriously violate the assumptions underlying parametric ANOVA. Therefore, she decides to use the Kruskal-Wallis test to conclude with regard to H 0. The data are given below. What is the appropriate conclusion concerning H 0 ?

• A) reject H 0 ; the independent variable has a real effect
• B) accept H 0 ; the independent variable has no effect
• C) retain H 0 ; the independent variable has a real effect
• D) retain H 0 ; we cannot conclude the independent variable has a real effect

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Definitions:

Retinal System

The part of the eye responsible for converting light into neural signals, allowing for the perception of visual images.

Cone Vision

The visual perception enabled by cone cells in the retina of the eye, allowing for color vision and detailed vision in bright light conditions.

Rod Vision

A type of vision that is made possible by rod cells in the retina, allowing individuals to see in low light conditions.

Nearsightedness

Nearsightedness, also known as myopia, is a condition of the eye where close objects appear clear, but distant objects appear blurry, resulting from a longer eyeball or excessive curvature of the cornea.