An E-Business/e-Commerce Information Technology Consulting Company Wants to Compare the Effectiveness

question 35

Multiple Choice

An e-business/e-commerce information technology consulting company wants to compare the effectiveness of three programming languages that its programmers use.Currently each programming language is used by approximately 1/3 of the programmers employed by the company.The director of the programming division randomly selected 5 programmers from the users of each of the three programming languages and assigned the same simple programming task to each programmer.It is known that all three populations have highly skewed distributions with extreme outliers.Which one of the following nonparametric tests is appropriate for this problem?

• A) Wilcoxon signed ranks test
• B) Wilcoxon rank sum test
• C) sign test
• D) Kruskal-Wallis test
• E) Spearman's rank correlation test

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Definitions:

Primary Appraisal

The initial evaluation process where an individual assesses the meaning of a given situation for their well-being.

Secondary Appraisal

The evaluation of one's ability to cope with the consequences of a stressful event.

Physiological Response

The body's automatic reactions to internal or external stimuli, including changes in heart rate, breathing, and hormone levels.

Downward Comparison

A social comparison strategy where individuals compare themselves to others who are less well off in order to feel better about their own situation.