Types of Questionnaire Items in Research

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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?

The subjects may be influenced in the second condition by the experience in the first condition. Signup and view all the answers

How are treatments typically administered in the Crossover Design?

In a time sequence. Signup and view all the answers

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

To reduce the effect of confounding variables. Signup and view all the answers

What is a characteristic of a nested design?

It involves simultaneous tests on two sides of a person's body. Signup and view all the answers

What is a weakness of quasi-experimental designs?

They have several rival hypotheses that cannot be unequivocally ruled out. 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?

Nonequivalent control group design Signup and view all the answers

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

Because they are more acceptable to a broader group of people. Signup and view all the answers

What is a strength of quasi-experimental designs?

They introduce some research control when full experimental rigor is not possible. Signup and view all the answers

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

They are not willing to relinquish control over their treatment condition. Signup and view all the answers

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

To provide a range of responses in a multiple choice test Signup and view all the answers

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

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

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

They provide a range of responses to choose from Signup and view all the answers

What is the difference between dichotomous and multichotomous items?

Dichotomous items have two response alternatives, while multichotomous items have more than two response alternatives Signup and view all the answers

When would you use multichotomous items in a questionnaire?

When the respondents' opinions or attitudes are complex and nuanced Signup and view all the answers

What is the limitation of multichotomous items in a questionnaire?

They are difficult to analyze Signup and view all the answers