Which Statement Is Most Consistent with the Scientific Method

question 10

Multiple Choice

Which statement is most consistent with the scientific method?

• A) Hypotheses cannot be revised after they are proposed.
• B) Hypotheses are tested through observations and controlled experiments.
• C) Scientific laws always arise fully formed and in correlating groups.
• D) Theories cannot be modified after they are tested.

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Definitions:

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true, commonly denoted by alpha (α) and used as a threshold for determining statistical significance.

Test Statistic

The calculated value used to decide whether to reject the null hypothesis in hypothesis testing.

Normal Distribution

A bell-shaped curve that represents a distribution of values symmetrically around the mean.

Alternative Hypothesis

The hypothesis that suggests there is a statistically significant effect or relationship present, opposite to the null hypothesis.