The Following Table Shows the Results of a Two-Factor Analysis

question 2

Multiple Choice

The following table shows the results of a two-factor analysis of variance with two levels of factor A,three levels of factor B,and a separate sample of n = 5 participants in each of the treatment conditions.Note that several values are missing in the table.What is the missing value for the F-ratio for the A x B interaction? $$\begin{array} { c c c c c } \text { Source } & \text { SS } & d f & M S & \\\text { Between } & 80 & \mathrm { xx } & & \\\text { A } & 8 & \mathrm { xx } & \mathrm { xx } & F = x x \\\text { B } & \mathrm { xx } & \mathrm { xx } & 20 & F = x x \\\text { Ax B } & \mathrm { xx } & \mathrm { xx } & \mathrm { xx } & \mathrm { F } = \mathrm { xx } \\\text { Within } & \mathrm { xx } & \mathrm { x } & \mathrm { xx } & \\\text { Total } & 76 & \mathrm { xx } & & \\\hline\end{array}$$

• A)?2
• B)?4
• C)?8
• D)?16

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Definitions:

Amygdala

A brain structure that is part of the limbic system and plays a role in emotion, especially fear and anger.

Prefrontal Cortex

The part of the brain located in the front of the frontal lobe, involved in complex cognitive behavior, decision making, and moderating social behaviour.

Emotionally Arousing

Describes situations, events, or stimuli that provoke strong emotional responses, ranging from excitement and joy to fear and anger.

Prefrontal Cortex

A region of the brain associated with decision making, social behavior, personality, and cognitive planning.