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Describe how single-case designs are similar to descriptive case studies and quasi-experimental time-series designs.
Viral Marketing
A method of marketing whereby consumers are encouraged to share information about a company's goods or services via the Internet.
Online Word-of-mouth
The electronic spread of information, recommendations, or opinions about products or services through social networks or forums.
Biological Viruses
Microscopic pathogens that replicate inside the living cells of organisms, causing various diseases.
Compelling Headlines
Eye-catching titles or headings designed to grab the reader's attention and encourage them to read further.
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