Is the Study Presented Above a Controlled Experiment

question 39

Multiple Choice

Is the study presented above a controlled experiment?

• A)Yes, because only the amount of fertilizer was changed, everything else was kept the same.
• B)Yes, because many pots were used.
• C)No, because the experiment was done only once.
• D)No, because several different amounts of fertilizers were used, not just one amount.

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Definitions:

Goods and Services

The output produced by an economy, including tangible products (goods) and intangible activities (services) that fulfill the needs or wants of consumers.

Profitable

A financial status where the income earned is greater than the expenses incurred, leading to a positive net income.

Invisible Hand

A concept proposed by Adam Smith, describing the self-regulating nature of the marketplace that guides individuals to unintentionally promote societal benefits through their own self-interest.

Self-Interest

Acting in a way that is most personally beneficial, often guiding economic decisions and behaviors.