Advertisements That Appear to Convey No Information at All

question 103

Multiple Choice

Advertisements that appear to convey no information at all:

• A)are typically 'infomercials'
• B)may still be valuable by their mere existence and expense
• C)are often useless to consumers
• D)are general ignored by consumers

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Definitions:

Independent Variable

In an experiment, the variable that is manipulated or altered to observe its effect on the dependent variable.

Confound

To cause confusion by mixing up or failing to distinguish between different elements or variables.

Masked Variable

A variable that influences a study's outcome indirectly by affecting other variables, not easily identifiable.

Placebo

A substance with no therapeutic effect, used as a control in testing new drugs or used to induce psychological benefits purely through belief.