#1
What is the main purpose of a control group in an experiment?
To provide a basis for comparison
ExplanationControl group: Basis for comparison
#2
What is the primary goal of the scientific method?
To provide a systematic approach for investigating natural phenomena
ExplanationScientific method: Systematic approach for investigation
#3
Which of the following is a key characteristic of a hypothesis?
It is a testable and falsifiable statement
ExplanationHypothesis: Testable & falsifiable
#4
In the scientific method, what comes after the formulation of a hypothesis?
Experimentation
ExplanationHypothesis → Experimentation
#5
What is the role of a control variable in an experiment?
To remain constant
ExplanationControl variable: Remains constant
#6
What is the significance of statistical significance in experimental results?
It suggests that the results are likely not due to random chance
ExplanationStatistical significance: Not due to chance
#7
What is the difference between a theory and a hypothesis in scientific terms?
A theory is broader and more comprehensive than a hypothesis
ExplanationTheory > Hypothesis
#8
What is the role of a blind experiment in scientific research?
To eliminate bias by keeping participants unaware of certain details
ExplanationBlind experiment: Eliminate bias
#9
In the context of experimental design, what is a confounding variable?
An unintended variable that may affect the dependent variable
ExplanationConfounding variable: Unintended, affects dependent variable
#10
Which of the following is a primary goal of peer review in scientific research?
To validate research findings
ExplanationPeer review: Validate findings
#11
Which of the following best describes the concept of falsifiability in scientific inquiry?
The potential for a hypothesis to be proven false
ExplanationFalsifiability: Hypothesis can be proven false
#12
Why is it important to replicate scientific experiments?
To validate the initial findings and ensure reliability
ExplanationReplication: Validate & ensure reliability
#13
What is the primary purpose of the peer-reviewed publication process in scientific research?
To validate research quality and accuracy
ExplanationPeer review: Validate quality & accuracy
#14
What distinguishes a scientific law from a scientific theory?
Theories explain while laws describe observed phenomena
ExplanationTheory: Explain, Law: Describe
#15
In the context of experimental design, what is the purpose of randomization?
To ensure that each participant has an equal chance of being in any experimental group
ExplanationRandomization: Equal chance in groups
#16
Why is it important for scientific experiments to be reproducible?
To allow other researchers to verify the results
ExplanationReproducibility: Allow verification