In an Investigation of the Effects of Caffeine on Concentration

question 34

Multiple Choice

In an investigation of the effects of caffeine on concentration, half the participants were given regular colas that contained caffeine and half were given decaffeinated colas. In this study, the decaffeinated colas are being used as ​

• A)a confounding variable.
• B)a random factor. ​
• C)the dependent variable. ​
• D)a placebo. ​

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IPv6

Internet Protocol version 6, the most recent version of the Internet Protocol (IP), designed to address the limitations of IPv4, including a much larger pool of IP addresses.

Multipurpose Internet Mail Extensions

A standard that extends the format of email messages to support text in various character sets, and attachments of audio, video, images, and application programs.

Packet Switching

A communications methodology that makes computer communication efficient by breaking up data into smaller chunks called packets.

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