Bai Is Conducting a Study on Learning

question 126

Multiple Choice

Bai is conducting a study on learning.When she manipulates an independent variable,it is possible that some other factor,such as noise in the hall,can affect learning in one of the groups but not in the other.This possibility reflects the presence of:

• A) a confound
• B) a dependent variable
• C) selection bias
• D) random assignment

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Definitions:

Batch

A collection or group of goods or items that are processed or produced at the same time.

Daughters

Female offspring in relation to their parents.

Current

The flow of electric charge through a conductor or the flow of water in a stream or ocean.

Russian

Pertaining to Russia, its people, culture, or language, which is the most widely spoken of the Slavic languages.