Scientists Are Always Thinking About Ways to Improve Experimental Design

question 19

Multiple Choice

Scientists are always thinking about ways to improve experimental design.In the text's potato chip experiment, which of these might do so?

• A) show a different movie
• B) exclude teenagers as group members
• C) collect uneaten chip remains and weigh them for both groups
• D) provide free drinks
• E) use a smaller theater

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Definitions:

Pledged Assets

Assets that are offered as security or collateral for a loan or obligation.

Priority

The order of importance or urgency, often used in legal and financial contexts to determine the sequence in which obligations are to be met or rights are to be exercised.