Scientists base many of their investigations on questions that test accepted theories. Which outcome of an investigation would cause a scientist to ask a different question?

AThe observed results are different from the expected results.
BThe investigation had many sources of error.
CAnother scientist proposed the same theory.
DThe expected results could be explained in different ways.

The observed results differing from expected results would prompt a scientist to ask a different question, indicating that their initial hypothesis may need reevaluation. Other outcomes like errors or agreement with theories do not inherently challenge the questions being asked. Scientific inquiry thrives on unexpected findings that lead to further exploration.

Explanation:

Understanding Scientific Investigations

In scientific research, questions play a crucial role in guiding investigations and experiments. Often, the outcome of an investigation can lead a scientist to reevaluate their understanding and ask new questions. Among the options provided, the most significant outcome that would prompt a scientist to consider a different question is:

The observed results are different from the expected results. This scenario indicates that the initial hypothesis or theory may not fully account for the observations, thus leading to further inquiry and exploration.

In contrast, the other outcomes listed, such as errors in the investigation, agreement with another scientist's theory, or different explanations for the expected results, do not necessarily instigate a fundamental change in questioning. Errors may lead to re-evaluation of methodology rather than core theory, while agreement with another scientist's proposal might validate existing thought rather than challenge it. Similarly, if alternative explanations arise, it can generate discussion but doesn't inherently redefine the inquiry itself.

Ultimately, scientific progress often relies on an openness to unexpected findings that challenge current paradigms, prompting researchers to dig deeper and refine their understanding.

Learn more about scientific investigations here:

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