Advertisement Narrative
In a Kruskal-Wallis test to determine whether differences exist among three different advertisements, the following statistics were obtained: 
, 
, 
, 
, 
and 
.
-Apply the Kruskal-Wallis test to determine if there is enough evidence at the 5% significance level to infer that at least two populations differ.
Sample 
Definitions:
Effortful Thinking
The process of engaging in mental activities that require significant cognitive resources, as opposed to automatic or effortless thinking.
Problem Solving
The process of finding solutions to difficult or complex issues.
Intolerance for Ambiguity
A personality trait that describes individuals who struggle with uncertain, unclear, or unpredictable situations.
Need for Cognition
A psychological term referring to an individual's tendency to engage in and enjoy thinking, analysis, and problem-solving.
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