Experimental Designs in Research

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Questions and Answers

In a within-subjects experimental design, what happens?

  • Subjects are matched based on their characteristics
  • Different groups of subjects experience different treatments
  • The same subjects go through all treatments (correct)
  • Subjects are assigned to different conditions to minimize variation

What is the purpose of a control condition in an experiment?

  • To create different treatment groups
  • To provide valuable information about interactions
  • To manipulate independent variables
  • To establish a baseline for comparison (correct)

What is the distinction between between-subjects and within-subjects designs?

  • Within-subjects designs involve randomization
  • Between-subjects designs have the same subjects for all treatments
  • Within-subjects designs involve the same subjects for all treatments (correct)
  • Between-subjects designs are more efficient

What do mixed designs in experimental research involve?

<p>Both between-subjects and within-subjects factors (D)</p> Signup and view all the answers

What is the purpose of counterbalancing in within-subjects experimental design?

<p>To eliminate carryover effects (C)</p> Signup and view all the answers

What do control variables represent in experimental research?

<p>Variables that are not manipulated but potentially influence the experiment (B)</p> Signup and view all the answers

What is a primary reason to use Small-N Designs?

<p>When focusing on individual performance or behavioral change (A)</p> Signup and view all the answers

In what situations should Mixed Designs be used?

<p>When both quantitative and qualitative data provide a better understanding together (B)</p> Signup and view all the answers

What distinguishes Mixed Designs from other experimental designs?

<p>They combine within-subjects and fully-crossed factorial designs (A)</p> Signup and view all the answers

When is it appropriate to use Control Condition Designs?

<p>When control over extraneous variables is crucial (B)</p> Signup and view all the answers

What does the text say about using Small-N Designs with few subjects available?

<p>Ideal because of the small sample (C)</p> Signup and view all the answers

How is the history of Mixed Designs linked to early research?

<p>Associated with agricultural research practices (A)</p> Signup and view all the answers

What is the purpose of experimental design?

<p>To minimize uncontrolled variation (C)</p> Signup and view all the answers

In a between-subjects design, why is there a control group?

<p>To serve as a comparison for the treatment groups (A)</p> Signup and view all the answers

What does a between-subjects design involve?

<p>Assessing group differences between participants in various conditions (D)</p> Signup and view all the answers

Why do between-subjects designs require more participants?

<p>To detect statistically significant differences between conditions (C)</p> Signup and view all the answers

Which technique is commonly used in between-subjects designs to ensure equivalent groups are formed?

<p>Randomization (C)</p> Signup and view all the answers

In a between-subjects design, how many treatments does each participant receive?

<p>One repetition (A)</p> Signup and view all the answers

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