W a Science Teacher Wants to Provide Students with Experience

question 28

Multiple Choice

W A science teacher wants to provide students with experience in the skill of identifying and controlling variables. What would be the most appropriate activity?

• A) Provide students with yo-yo's and ask them to list the factors that influence whether it will come back up after it is dropped, describe how they could tell which has the greatest effect, and then try each.
• B) Provide students with mechanical tops and ask them to list the factors that influence how long it will spin, describe how they could tell which has the greatest effect, and then try each.
• C) Provide students with a covered plastic container of cream and ask them to list the factors that influence how long it takes the cream to turn into butter when the container is shaken, describe how they could tell which has the greatest effect, and then try each.
• D) Ask students to name the factors that influence the weather.
• E) All of the above
• F) None of the above

Understand the implications of changes in fixed and variable costs on operating income.

Analyze the effect of changes in sales volume on operating income.

Employ the concept of contribution margin ratio in evaluating business performance.

Calculate the required sales volume to achieve a specified operating income.

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Definitions:

Imitating

The act of copying someone else's actions, behaviors, or practices, either consciously or unconsciously.

Behavioral Techniques

Methods or strategies used to alter or influence specific behaviors in individuals or groups.

Organizational Behavior Modification

The use of behavioral techniques to reinforce positive work behavior and discourage unhelpful work behavior.

Law of Effect

A principle in psychology stating that behaviors followed by favorable consequences become more likely, while behaviors followed by unfavorable consequences become less likely.