Why Were Single-Case Experiments More Popular in the Past Than

question 10

Multiple Choice

Why were single-case experiments more popular in the past than now?

• A) Several popular statistical techniques were invented that made multiple-group experiments easy to analyze.
• B) Researchers now prefer to manipulate an independent variable.
• C) There were fewer people to serve as participants in the past than there are now.
• D) All of the above.

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Definitions:

Distributions

In statistics, the pattern of variation or frequencies of a set of values within which a variable can fall, often visualized as a graph.

Largest

Describing the most extensive or significant size, volume, or quantity in comparison to others within a group or category.

Range

The difference between the highest and lowest values in a set of data, indicating the data's spread or variability.

Distribution

The process of making a product or service available for use or consumption by a consumer or business user.