Which of the Following Scenarios Exemplifies Extinction

question 79

Multiple Choice

Which of the following scenarios exemplifies extinction?

• A)Alexis is a former cocaine user.Now that she no longer uses cocaine,her hands no longer shake and her heart no longer pounds when she hears a car pull into her drive,like her dealer used to do in his car.
• B)Alexis uses cocaine.She no longer feels quite the same rush as she did when she first started using.
• C)Alexis is a former cocaine user in recovery.After a relapse,though,her hands shake and her heart pounds when she hears a car pull into her drive,like her dealer used to do in his car.
• D)Alexis uses cocaine.She finds that she is slowly losing her sense of smell.

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Definitions:

Wilcoxon Signed Rank Test

A statistical test without assumption of underlying data distribution, designed to evaluate differences in the mean ranks of two paired samples, matched observations, or repeated measures within the same sample to determine variations in their population means.

Normal Approximation

A method used to approximate the distribution of a sum of independent random variables using the normal distribution, under certain conditions.

Continuity Correction

An adjustment made when approximating a discrete distribution with a continuous one, particularly relevant when making inferences about binomial distribution using normal approximation.

Null Hypothesis

A statement in statistics that suggests there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.