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Mastering Independent and Dependent Variables
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Mastering Independent and Dependent Variables

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Questions and Answers

What is the purpose of reviewing research?

  • To revise theories (correct)
  • To design an experiment
  • To collect data
  • To construct a theory

    • Why is Eric's anecdote unconvincing?

  • Anecdotal evidence is always accurate
  • Anecdotal evidence is unreliable (correct)
  • Anecdotal evidence is based on experiments
  • Anecdotal evidence is sufficient to draw scientific conclusions

    • Which one of these is the independent variable in a biology experiment measuring the effect of enzyme on cell growth?

  • Cell growth
  • Amount of enzyme added (correct)
  • Temperature of the environment
  • Type of enzyme used

    • Which one of these is the dependent variable in a kinesiology experiment studying the effect of exercise intensity on fitness?

    <p>Fitness level</p> Signup and view all the answers

    What is the independent variable in Eric's experiment studying the effects of an energy drink on test performance?

    <p>Energy drink consumption</p> Signup and view all the answers

    What is the dependent variable in Eric's experiment studying the effects of an energy drink on test performance?

    <p>Test scores</p> Signup and view all the answers

    Which of the following is NOT one of the steps in the Scientific Method?

    <p>Revise existing theories</p> Signup and view all the answers

    What is the purpose of constructing a theory in the Scientific Method?

    <p>To collect a general set of ideas about the way the world works</p> Signup and view all the answers

    Which step of the Scientific Method involves analyzing data?

    <p>Analyze data</p> Signup and view all the answers

    What is the purpose of revising existing theories in the Scientific Method?

    <p>To revise existing theories</p> Signup and view all the answers

    Which step of the scientific method involves selecting a research method to test the hypothesis?

    <p>Forming a theory</p> Signup and view all the answers

    Which of the following is the correct order of the steps in the scientific method?

    <p>Form a theory, collect data, analyze data, report findings</p> Signup and view all the answers

    What is the purpose of publishing articles in scholarly journals?

    <p>To revise existing theories</p> Signup and view all the answers

    What is a paradigm shift in the context of scientific research?

    <p>A change in our way of thinking that challenges existing beliefs</p> Signup and view all the answers

    Which variable does the independent variable affect in Eric's experiment?

    <p>Test scores</p> Signup and view all the answers

    What is the purpose of Eric's control group in his experiment?

    <p>To ensure consistency across trials</p> Signup and view all the answers

    What is the dependent variable in Eric's experiment?

    <p>Test scores</p> Signup and view all the answers

    What does Eric observe in relation to energy levels in his experiment?

    <p>Changes before and after the independent variable</p> Signup and view all the answers

    What is the purpose of Eric's experiment?

    <p>To measure the effect of energy drink consumption on test scores</p> Signup and view all the answers

    What is the role of the control group in Eric's experiment?

    <p>To ensure consistency across trials</p> Signup and view all the answers

    Which of the following is NOT a problem with relying on anecdotal evidence to draw scientific conclusions?

    <p>The energy drink might not affect test performance</p> Signup and view all the answers

    What is the hypothesis in Eric's experiment?

    <p>If the energy drink enhances studying, then students who consume it should have better test scores than those who do not</p> Signup and view all the answers

    Why is relying on a single experience to verify the effectiveness of the energy drink problematic?

    <p>All of the above</p> Signup and view all the answers

    What is the purpose of conducting an experiment in scientific research?

    <p>To measure the effect of one variable on another</p> Signup and view all the answers

    According to the scientific method, what is the next step for a scientist after collecting data?

    <p>B) Analyze the data to see if it supports or refutes the hypothesis.</p> Signup and view all the answers

    According to the text, what is the purpose of the scientific method?

    <p>B) To support accurate results and scientific discourse.</p> Signup and view all the answers

    What step of the scientific method comes after analyzing the data?

    <p>C) Revising existing theories to incorporate the new data.</p> Signup and view all the answers

    What is the purpose of designing an experiment in scientific research?

    <p>C) To require results to support the hypothesis or be useful to society.</p> Signup and view all the answers

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