Research Methods: Experimental and Mixed Methods Designs Quiz
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Questions and Answers

What is the purpose of a control group in a true experimental design?

  • To receive the treatment being tested
  • To have no impact on the study results
  • To compare the effects of the treatment against those without it (correct)
  • To eliminate the need for randomization
  • In a true experimental design, what does 'R' represent when described in context?

  • Research methodology
  • Replication
  • Randomization (correct)
  • Regression analysis
  • What is the main difference between a pretest-posttest design and a posttest only design?

  • The presence of a control group
  • The order in which the test is administered
  • The number of measurements taken
  • The inclusion of a treatment phase (correct)
  • What is the purpose of including a pretest in a true experimental design?

    <p>To establish a baseline for comparison</p> Signup and view all the answers

    Why is it important to have an experimental and a control group in a true experimental design?

    <p>To reduce the impact of confounding variables</p> Signup and view all the answers

    What is a key advantage of using a true experimental design over other research designs?

    <p>It allows for establishing cause-and-effect relationships</p> Signup and view all the answers

    What is the purpose of using a pretest in an experimental design?

    <p>To establish a baseline before the treatment is administered</p> Signup and view all the answers

    In a Solomon Four-Group Design, what distinguishes the two treatment groups?

    <p>The pretest results of one group</p> Signup and view all the answers

    What type of clinical trial involves the use of a placebo in the control group?

    <p>Phase III clinical trials</p> Signup and view all the answers

    Why might a pretest not be necessary if test subjects are randomly selected initially?

    <p>Because random selection ensures equivalence at the baseline</p> Signup and view all the answers

    Why do nations around the world conduct clinical trials for vaccines?

    <p>To generate evidence leading to changes in public policy</p> Signup and view all the answers

    What characteristic defines a Posttest Only Design in research?

    <p>It only includes a post-test and no pre-test</p> Signup and view all the answers

    What is the primary characteristic of an exploratory sequential design?

    <p>Initial qualitative data collection</p> Signup and view all the answers

    In a sequential mixed methods design, what was the focus of the study mentioned in the text?

    <p>Teachers' technology practices and beliefs</p> Signup and view all the answers

    What is the conclusion drawn from the example study mentioned in the text?

    <p>Technology integration should be focused on student-centered pedagogy</p> Signup and view all the answers

    What is the main task for students as part of their assignment based on the text?

    <p>Working on the RRL Matrix</p> Signup and view all the answers

    What is one of the components that students need to identify in their assignment according to the text?

    <p>Sub-theme</p> Signup and view all the answers

    What should future technology professional development efforts focus on according to the text?

    <p>Integrating technology into curriculum via student-centered pedagogy</p> Signup and view all the answers

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