Experimental Research Design: Chapter 6 Preview
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Questions and Answers

What is the primary focus of Chapter 6?

  • The control problems in experimental research (correct)
  • The problems of sequence for within-subjects designs
  • The advantages of between-subjects designs
  • Discriminating between-subjects and within-subjects designs

    • What is the key difference between between-subjects and within-subjects designs?

  • Between-subjects designs involve controlling for bias, while within-subjects designs involve controlling for sequence problems
  • Matching should always be used instead of random assignment for within-subjects designs
  • Random assignment is used for between-subjects designs but not for within-subjects designs
  • Different groups of participants contribute data for different levels of the independent variable in between-subjects designs, while the same participants contribute data to all the levels of the independent variable in within-subjects designs (correct)

    • How can the equivalent groups problem in between-subjects designs be solved?

  • By using matching instead of random assignment
  • By understanding the advantages of within-subjects designs
  • By using random assignment (correct)
  • By controlling for bias

    • When should matching be used instead of random assignment in creating equivalent groups?

    <p>Only for within-subjects designs</p> Signup and view all the answers

    What does the last third of the chapter address?

    <p>The issue of bias and controlling it</p> Signup and view all the answers

    What should the readers be able to do after finishing Chapter 6?

    <p>Understand when matching should be used instead of random assignment in both between-subjects and within-subjects designs</p> Signup and view all the answers

    In an experiment where each participant receives both levels A and B, what type of design is it?

    <p>Within-subjects design</p> Signup and view all the answers

    What did R. S. Woodworth emphasize as essential for experimental research control?

    <p>Controlling extraneous factors</p> Signup and view all the answers

    Why is counterbalancing generally more effective with progressive effects than with carryover effects in within-subjects designs?

    <p>It balances the order of conditions to minimize progressive effects</p> Signup and view all the answers

    What is the minimum number of levels required for any independent variable in an experiment?

    <p>Two levels</p> Signup and view all the answers

    What is the term used for the comparison between condition A and condition B in an experiment involving different groups of individuals?

    <p>Between-subjects comparison</p> Signup and view all the answers

    What kind of design involves testing subjects several times and faces the problem of sequence effects?

    <p>Repeated-measures design</p> Signup and view all the answers

    According to R. S. Woodworth, what is essential for connecting the observed effect with a definite cause in experimental research?

    <p>Controlling extraneous factors</p> Signup and view all the answers

    What are the problems associated with maintaining control in experimental research according to R.S. Woodworth?

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

    What type of variables did R.S. Woodworth distinguish in his landmark experimental psychology text?

    <p>Independent and dependent variables</p> Signup and view all the answers

    What is the term used for the design that compares conditions A and B between different groups of individuals?

    <p>Between-subjects design</p> Signup and view all the answers

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