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A Researcher Is Investigating the Effects of Caffeine Consumption on Student

question 172

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A researcher is investigating the effects of caffeine consumption on student writing performance.  Because the researcher will evaluate both the speed of assignment completion and the number of grammatical errors, she will need to include more than one _____ variable in her study.


Definitions:

Gestures

Movements or signals by a person to convey information or instructions, commonly used in touch-based devices to perform various commands.

Search

The operation of looking for information in a database, network, web, or system by entering keywords or phrases to find specific results.

Active Window

The currently focused window on a computer display; it is the window that receives input and commands from the user.

Administrator Access

permission level granted to users allowing them to have full control over the settings, configurations, and management of a system.

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