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Objectivity

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

ScienceOne student records plant height by eye as short or tall. Another measures it in centimeters with a ruler. Why is the second student's dependent variable better?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentHard ScienceWhat is the main problem if an experimental outcome is measured only using words such as good or bad?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceWhat is the main problem if the dependent variable is recorded using terms such as very good or poor?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIn which situation is observer effect likely to influence experimental results?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceIn an experiment the dependent variable is recorded as good or poor. What is the best improvement?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceIn which situation can a blind test reduce bias?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceIf an observer knows which sample received treatment and unintentionally scores it more favourably what is this an example of?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceA student recorded only those trials in which the hypothesis was supported. What type of error is this?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceA student recorded only the results that supported the hypothesis. This is an example of which problem?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMedium ScienceAn observation states that a glass surface is smooth. What is the best way to make it more scientific?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsExpert ScienceWhich question is least suitable for scientific investigation?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsExpert ScienceIn an investigation plant growth was recorded only as good or poor by looking. What is the main limitation of this data?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsExpert ScienceIf an observer knows the expected outcome of a study what is the best precaution?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsExpert ScienceA student recorded only the result that matched the hypothesis. What scientific problem is this?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsExpert ScienceOnly successful trials were recorded and unsuccessful trials were omitted in an experiment. What may result from this?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceWhich method would reduce the effect of human reaction time the most?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceA scientist recorded only the data that supported the expected idea. This is an example of which problem?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceIf different observers describe the same event using different words what is the best way to improve comparison?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceIn an experiment the observer knows which plant received fertiliser and unintentionally gives it a higher health score. What problem does this illustrate?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceWhich statement increases the objectivity of a scientific observation?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard