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What Is McDonald's Performing When It Asks Its Customers If

question 48

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What is McDonald's performing when it asks its customers if they would like to super-size their meals?


Definitions:

Within-subject Design

A research design where the same participants are subjected to each condition of an experiment, allowing comparison of their performance across conditions.

Experimental Condition

In research, this is the set of conditions applied to subjects that is manipulated by the researcher to observe its effects compared to a control condition.

Random Assignment

A method of assigning research participants to different groups using randomization, ensuring that each participant has an equal chance of being placed in any group.

Probability

The measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

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