For the Data in the Source Table, What Is the Effect

question 44

Multiple Choice

For the data in the source table, what is the effect size for this one-way within-groups ANOVA? $$\begin{array} { | l | c | c c | c | } \hline \text { Source } & \text { SS } & d f & M S & F \\\hline \text { Between-groups } & 12.159 & 3 & 4.053 & 2.98 \\\hline \text { Subjects } & 6.77 & 5 & 1.354 & 0.996 \\\hline \text { Within-groups } & 20.4 & 15 & 1.360 & \\\hline \text { Total } & 39.329 & 23 & & \\\hline\end{array}$$

• A) small
• B) medium
• C) large
• D) very large

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Definitions:

Attention Deficit Hyperactivity Disorder

A neurodevelopmental disorder characterized by patterns of inattention, hyperactivity, and impulsivity that interfere with functioning or development.

Ritalin

A stimulant drug commonly prescribed to treat Attention Deficit Hyperactivity Disorder (ADHD) and certain sleep disorders, characterized by improving attention and decreasing impulsiveness and hyperactivity.

Psychological Disorders

Psychological disorders are health conditions characterized by alterations in thinking, mood, or behavior associated with distress or impaired functioning.

1950s

A decade marked by post-World War II recovery, cultural conservatism, and significant technological and economic advancements.