In Which Year Can E-Commerce Be Said to Have Begun

question 15

Multiple Choice

In which year can e-commerce be said to have begun?

• A) 1983
• B) 1985
• C) 1995
• D) 2001

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Definitions:

Third Variable

A factor that is not directly involved in an experimental setting but that may affect the relationship between the independent and dependent variables.

Correlation Coefficient

A numerical measure that represents the strength and direction of a relationship between two variables, ranging from -1 to 1.

Placebo Effect

A phenomenon in which a person's condition improves because they believe they are receiving treatment, even though the treatment has no therapeutic value.

Participant Bias

A type of bias that occurs when participants in a study act or respond differently because they know they are being observed.