Types of Questionnaire Items in Research

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Questions and Answers

What is a characteristic of the Crossover Design?

  • Only one treatment is administered to the subjects.
  • Different people are assigned to different treatments and conditions.
  • The same people are assigned to different treatments or conditions. (correct)
  • The subjects are not exposed to multiple treatments or conditions.

What is the advantage of the within-subjects design in the Crossover Design?

  • It reduces the effect of carry-over effects.
  • It reduces the sample size.
  • It ensures the highest possible equivalence among participants. (correct)
  • It eliminates the confounding variable.

What is a limitation of the Crossover Design?

  • It requires a large sample size.
  • It is inappropriate for certain research questions due to carry-over effects. (correct)
  • It is too expensive to administer.
  • It is only used for certain types of research questions.

In the Crossover Design, what is the problem that occurs when subjects are exposed to two different treatments or conditions?

<p>The subjects may be influenced in the second condition by the experience in the first condition. (A)</p> Signup and view all the answers

How are treatments typically administered in the Crossover Design?

<p>In a time sequence. (A)</p> Signup and view all the answers

What is the purpose of a blocking variable in the Randomized Block Design?

<p>To reduce the effect of confounding variables. (A)</p> Signup and view all the answers

What is a characteristic of a nested design?

<p>It involves simultaneous tests on two sides of a person's body. (B)</p> Signup and view all the answers

What is a weakness of quasi-experimental designs?

<p>They have several rival hypotheses that cannot be unequivocally ruled out. (D)</p> Signup and view all the answers

What is a type of quasi-experimental design that involves a comparison group, but the groups are not equivalent?

<p>Nonequivalent control group design (A)</p> Signup and view all the answers

Why are quasi-experimental designs often used in medical research?

<p>Because they are more acceptable to a broader group of people. (D)</p> Signup and view all the answers

What is a strength of quasi-experimental designs?

<p>They introduce some research control when full experimental rigor is not possible. (B)</p> Signup and view all the answers

What is a reason why people may not be willing to participate in a randomized controlled trial?

<p>They are not willing to relinquish control over their treatment condition. (D)</p> Signup and view all the answers

What is the primary purpose of multichotomous items in a questionnaire?

<p>To provide a range of responses in a multiple choice test (B)</p> Signup and view all the answers

Which of the following is an example of a multichotomous item?

<p>How favorable is it to you to become pregnant at this time? ( ) very favorable ( ) unfavorable ( ) favorable ( ) very unfavorable ( ) not sure (D)</p> Signup and view all the answers

What is the advantage of using multichotomous items in a questionnaire?

<p>They provide a range of responses to choose from (B)</p> Signup and view all the answers

What is the difference between dichotomous and multichotomous items?

<p>Dichotomous items have two response alternatives, while multichotomous items have more than two response alternatives (A)</p> Signup and view all the answers

When would you use multichotomous items in a questionnaire?

<p>When the respondents' opinions or attitudes are complex and nuanced (B)</p> Signup and view all the answers

What is the limitation of multichotomous items in a questionnaire?

<p>They are difficult to analyze (D)</p> Signup and view all the answers

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