What Is the Buying and Selling of Goods and Services

question 165

Multiple Choice

What is the buying and selling of goods and services over the Internet?

• A) E-business
• B) E-commerce
• C) E-market
• D) E-mall

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Definitions:

Internal Consistency

A measure of the reliability of a psychological test that assesses the extent to which different test items that propose to measure the same general construct produce similar results.

Cohen's Kappa

Cohen's Kappa is a statistical measure used to assess the reliability of inter-rater agreement for qualitative (categorical) items, correcting for the chance of agreement.

Item-total Correlation

The relationship between individual item scores and the overall score across all items in a test or questionnaire.

Split-half Reliability

An evaluation of reliability involving splitting a test into two sections and comparing scores from each section to check how consistent the test is.