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Nature And Meaning Of Science

Class 9 Science के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ScienceA study measured treatment benefit only through self-reported feelings. What addition would most strengthen the conclusion?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpertScienceTwo versions of a scientific model explain the same data. Why may the version with fewer unnecessary assumptions be preferred?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpertScienceWhat problem arises if a new untested assumption is added after every opposing result to protect a hypothesis?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpertScienceA study found a very small effect with an extremely large sample. Why is judging only by statistical difference incomplete?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpertScienceIn which situation would a control group be least useful for interpreting an experiment?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpertScienceAn instrument repeatedly gives nearly identical readings but remains far from the known value. Which description is correct?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpertScienceIf a claim only accounts for already known results and allows no new test what is its main limitation?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpertScienceIn an experiment the treatment group received both a new teaching method and extra study time while the control group received neither. What is the main obstacle to interpretation?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpertScienceA researcher observed that students with more books also had higher marks. Which conclusion is scientifically most cautious?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpertScienceWhy is a scientific theory not treated as complete and final truth even after long-term success?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpertScienceWhich is the most balanced description of the meaning of science?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHardScienceA scientific claim is found valid only under limited conditions because of new evidence. What conclusion follows?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHardScienceWhat does calling scientific knowledge a social process indicate?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHardScienceA scientific conclusion is supported by different kinds of evidence such as observations experiments and models. What is its importance?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHardScienceIf risks exceed benefits in a scientific study what is ethically necessary?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHardScienceWhat is the ethical purpose of keeping participants' identities confidential in a study?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHardScienceA scientific claim is tested only for supportive outcomes with no plan for opposing results. What is the main weakness?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHardScienceA scientific explanation also explains several different facts together. What can this quality be called?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHardScienceWhen is the internal validity of an experiment considered strong?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHardScienceA study reports only the average but not the spread of data. What information may be hidden?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHard

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