B7: Practical Skills in Biology Flashcards
What is the importance of a control group in an experiment?
A control group allows for comparison to ensure that the results are due to the variable being tested.
Define “hypothesis” in scientific experiments.
A hypothesis is a testable prediction about the outcome of an experiment.
Why is it important to repeat experiments?
Repeating experiments increases reliability and ensures results are consistent and not due to chance.
What is a placebo, and why is it used in experiments?
A placebo is a substance with no therapeutic effect, used as a control in experiments to test the effectiveness of treatments.
Explain the difference between qualitative and quantitative data.
Qualitative data describes qualities or characteristics, while quantitative data is numerical and can be measured.
