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Class 9 · Science
→A scientific conclusion makes a claim much broader than the available evidence. What can this be called?
Class 9 · Science
→If scientists publish only positive results what problem may arise in scientific knowledge?
Class 9 · Science
→What is the main benefit of providing raw data in a scientific report?
Class 9 · Science
→Blind testing in scientific investigation is used to reduce which bias?
Class 9 · Science
→A scientific claim interprets every possible result as supporting it. What is the problem?
Class 9 · Science
→What should be checked before applying a study result to another group?
Class 9 · Science
→What is the most appropriate meaning of scientific consensus?
Class 9 · Science
→A survey included only people who volunteered to respond. Which bias may occur?
Class 9 · Science
→What is the difference between validity and reliability of a conclusion?
Class 9 · Science
→What becomes most difficult when a scientific study has no control group?
Class 9 · Science
→If repeated measurements vary sometimes above and sometimes below the expected value what type of error is indicated?
Class 9 · Science
→In an experiment all measurements were higher than the true value by the same amount. What type of error does this indicate?
Class 9 · Science
→A study found a statistically different result but the difference was very small. What else should the scientist consider?
Class 9 · Science
→What is the purpose of keeping all other relevant factors constant while changing the independent variable?
Class 9 · Science
→Only a personal experience was presented in support of a claim. Why is it considered weak evidence?
Class 9 · Science
→If a hypothesis makes no prediction that could be shown false what is the main scientific problem?
Class 9 · Science
→Scientific objectivity does not mean that a scientist has no ideas. What does it correctly mean?
Class 9 · Science
→A study sampled students from only one school. What is the problem with applying its conclusion to students across the country?
Class 9 · Science
→Why is a useful scientific model not considered complete truth?
Class 9 · Science
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