Professor Caine Is Running an Experiment to Determine If Exercise

question 45

Multiple Choice

Professor Caine is running an experiment to determine if exercise affects memory retention. Two groups of participants are given the same list of 25 words and allowed 15 minutes to study them. Then one group sits idly in a classroom while the other participates in an hour-long aerobic work-out. After the work-out each group is tested in the classroom on the list of words. What is the independent variable in this study?

• A) the aerobic work-out
• B) the word list
• C) scores on the test
• D) time allowed to study

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Definitions:

Adverb Confusion

The misunderstanding or incorrect use of adverbs, potentially altering the intended meaning of a sentence or phrase.

Quotation Marks

Punctuation marks used in pairs in various writing systems to set off direct speech, a quotation, or a phrase.

Declarative Sentence

A type of sentence that makes a statement, provides a fact, explanation, or conveys information, typically ending with a period.

Correct Tense

The proper use of verb forms in a sentence to accurately indicate the time of action or event relative to the speaker’s moment of speaking.