Scientific method — first step?
Observation of phenomena.
Experimental design — purpose?
Test hypotheses systematically.
Data collection — types?
Qualitative and quantitative.
Variables — key types?
Independent, dependent, controlled.
Hypothesis — role?
Predicts relationship between variables.
Results interpretation — goal?
Draw meaningful conclusions.
Reporting findings — importance?
Communicate results clearly.
Controlling variables — why?
Ensure test fairness.
Randomization — purpose?
Reduce bias.
Replication — benefit?
Verify reliability.
Charts and graphs — use?
Visualize data patterns.
Null hypothesis — definition?
No effect or difference.
Significance testing — purpose?
Assess result reliability.
Anomalies — consider?
Evaluate for errors or special factors.
Answer 7 questions on Fundamentals of Scientific Inquiry.
1. What is a primary cause of obtaining valid and reliable results in a scientific investigation?
2. Who is credited with developing the foundational principles of controlling variables and randomization in experimental design?
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