A Survey Was Recently Conducted in Which Random Samples of Car

question 29

Multiple Choice

A survey was recently conducted in which random samples of car owners of Chrysler, GM, and Ford cars were surveyed to determine their satisfaction. Each owner was asked to rate overall satisfaction on a scale of 1 (poor) to 1000 (excellent) . The following data were recorded: If the analysts are not willing to assume that the population ratings are normally distributed and will use the Kruskal-Wallis test to determine if the three companies have different median ratings, what is the appropriate critical value if the test is to be conducted using an alpha = .05 level?

• A) = 5.05
• B) χ2 = 5.99
• C) χ2 = 24.99
• D) = 3.67

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Definitions:

Habituation

Tendency of the brain to stop attending to constant, unchanging information.

Learned Helplessness

A condition in which a person suffers from a sense of powerlessness, arising from traumatic events or persistent failure to succeed. It is thought to be one of the underlying causes of depression.

Contingency Blocking

A phenomenon in classical conditioning where a subject learns to associate a particular stimulus with an outcome, blocking the learning of an association with a new stimulus presented at the same time.

Response Generalization

The process by which a learned response is applied to similar stimuli beyond the original conditioned stimulus.