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Understanding Test Preparation

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Questions and Answers

What is the primary factor that influences the outcome of an experiment?

The prior knowledge of the experimenter
The sample size used in the experiment
The conditions under which the experiment is conducted (correct)
The accuracy of the measuring instruments

Which of the following is considered a valid method for data collection?

Conducting surveys (correct)
Using anecdotal evidence
Assuming the outcome based on past experiences
Guessing the results

What is an essential component of a hypothesis?

It needs to be testable (correct)
It must avoid any variables
It should be widely accepted
It must be based on speculation

What role does peer review play in research?

It assesses the quality and credibility of the research (D) Signup and view all the answers

What can lead to biased results in an experiment?

Allowing personal beliefs to influence the research (D) Signup and view all the answers

Which of the following best describes a characteristic of a well-structured experiment?

It includes a single variable that is manipulated. (D) Signup and view all the answers

What is the main purpose of establishing a control group in an experiment?

To ensure that results are not due to external factors. (B) Signup and view all the answers

In hypothesis testing, what does failing to reject the null hypothesis imply?

Insufficient evidence was found to support the alternative hypothesis. (B) Signup and view all the answers

Which aspect of peer review is most critical in the scientific process?

It serves to critique and strengthen research methodologies. (D) Signup and view all the answers

What is a common effect of having a biased sample in research?

It distorts the research outcomes and conclusions. (D) Signup and view all the answers

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