Understanding the Scientific Method
Test your knowledge on the scientific method and its key concepts.
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Quiz Questions & Answers
Review every prompt, the correct responses, and helpful context to prep for your own run-through.
Question 1: What is the primary purpose of the scientific method?
To create theories without evidence
To gather information in a controlled way
To prove hypotheses are always right
To ignore data and focus on anecdotes
Question 2: What distinguishes a hypothesis from a theory?
A hypothesis is always correct
A theory is an untested idea
A hypothesis is an educated guess, while a theory is well-supported
A hypothesis cannot change
Question 3: Which type of reasoning uses specific observations to form a general conclusion?
Deductive reasoning
Inductive reasoning
Causal reasoning
Experimental reasoning
Question 4: What is an independent variable in an experiment?
The outcome measured in the experiment
The condition that is manipulated
A variable that is kept constant
A type of control group
Question 5: What is the role of a positive control in an experiment?
To measure the negative effects of an intervention
To ensure the assay itself is functioning
To serve as a baseline for comparison
To represent the independent variable
Question 6: Why is it important to control variables in an experiment?
To increase the number of independent variables
To ensure the outcome is influenced only by the independent variable
To make the experiment more complex
To reduce the need for data collection
Question 7: What defines 'scientific rigor' according to the NIH?
The use of anecdotal evidence in experiments
The strict application of the scientific method
The ability to predict outcomes
The focus on qualitative data only
Question 8: What is meant by a 'paradigm shift' in science?
An unchangeable scientific principle
A change in the fundamental concepts or practices of a scientific discipline
A temporary trend in scientific research
A minor adjustment in experimental methods