Experimental Design Vocabulary Flashcards
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Questions and Answers

What is an Independent Variable (IV)?

  • The variable that is constant throughout the experiment.
  • The variable that is measured in the experiment.
  • The factor that is manipulated by the experimenter. (correct)
  • The group that does not receive the experimental treatment.

    • What is meant by 'levels' of independent variables?

    The number of experimental conditions of the independent variable.

    What is a Dependent Variable (DV)?

  • The variable that is measured in the experiment. (correct)
  • The reference group in an experiment.
  • The constant variable throughout the study.
  • The variable that is changed by the experimenter.

    • What are Controlled / Constant Variables?

    <p>Experimental elements that are kept unchanged to isolate the effects of the independent variable.</p> Signup and view all the answers

    What is a Testable Question?

    <p>A question that can be answered by conducting an experiment.</p> Signup and view all the answers

    What is a Hypothesis?

    <p>A testable prediction based on limited evidence.</p> Signup and view all the answers

    What is a Control Group?

    <p>The group that does not receive the experimental treatment.</p> Signup and view all the answers

    What are Test Group(s)?

    <p>The group subjected to the experimental variable.</p> Signup and view all the answers

    What are Experimental Group(s)?

    <p>The control group and test group(s).</p> Signup and view all the answers

    Define the term Data.

    <p>Observations collected from the experiment.</p> Signup and view all the answers

    What do experimental 'Conclusions' do?

    <p>They explain what the data means and confirm or reject the hypothesis.</p> Signup and view all the answers

    What does WITEOBOB mean?

    <p>What is the effect of Blank-On-Blank?</p> Signup and view all the answers

    What is the advantage of using WITEBOB?

    <p>It allows you to identify the independent and dependent variable.</p> Signup and view all the answers

    Practice using WITEBOB by writing a testable question.

    <p>Example testable question could be: 'How does light exposure affect plant growth?'</p> Signup and view all the answers

    What are 'multiple trials'?

    <p>Repetitions of the same experiment.</p> Signup and view all the answers

    Study Notes

    Experimental Design Vocabulary

    • Independent Variable (IV)

      • The factor manipulated by the experimenter to assess its influence on dependent variables.
      • Considered the "cause," as it leads to changes in dependent variables.

    • Levels of Independent Variables

      • Represent the distinct conditions within an experiment (e.g., Experimental vs. Control).
      • If an experiment has two conditions, the independent variable has two levels.

    • Dependent Variable (DV)

      • Variable that responds to changes in the independent variable.
      • Measured and recorded data that reflects the effect of the independent variable.

    • Controlled / Constant Variables

      • Elements that remain unchanged during the experiment to ensure valid comparisons.
      • Not classified as independent or dependent variables; serve to isolate the effect of IV on DV.

    • Testable Question

      • A question framed to be answered through empirical experimentation.

    • Hypothesis

      • A testable prediction expressed in an "If...then...because..." format.
      • Serves as an initial proposed explanation based on limited observations for further research.

    • Control Group

      • The group that does not receive the experimental treatment, serving as a baseline comparison.
      • One level of the independent variable, providing a standard for evaluating experimental effects.

    • Test Group(s)

      • The group(s) exposed to the experimental treatment to observe effects.
      • Compared to the control group to analyze the impact of independent variable manipulation.

    • Experimental Group(s)

      • Combination of both control group and test group(s) in a study.

    • Data

      • Collected observations during the experimental process, used for analysis.

    • Experimental Conclusions

      • Interpretations and explanations derived from the data, addressing whether the hypothesis is supported or rejected.

    • WITEOBOB

      • Acronym representing "What is the effect of Blank-On-Blank?" used to clarify the relationship between variables in the experiment.

    • Advantage of WITEBOB

      • Aids in identifying both the independent and dependent variables for clarity in experimentation.

    • Multiple Trials

      • Repetitions of the same experiment to verify results and enhance reliability.

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    Description

    Test your knowledge of key terms in experimental design with these vocabulary flashcards. Learn about independent variables, their manipulation, and how they affect dependent variables. Perfect for students and researchers alike.

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