20 multiple-choice questions on Pair Comparisons:

20 multiple-choice questions on Pair Comparisons:

 1. Pair Comparison is a method used in psychophysics primarily for:

   A) Determining the absolute threshold

   B) Estimating the difference limen

   C) Measuring the just noticeable difference

   D) Assessing the reliability of sensory judgments

    Answer: C) Measuring the just noticeable difference

 

2. In Pair Comparison, participants are presented with:

   A) One stimulus at a time

   B) Multiple stimuli simultaneously

   C) A series of stimuli in random order

   D) A series of stimuli in ascending order

    Answer: B) Multiple stimuli simultaneously

 

3. How are stimuli presented in Pair Comparison?

   A) At fixed intervals

   B) In random order

   C) In pairs for direct comparison

   D) One at a time for sequential judgment

    Answer: C) In pairs for direct comparison

 

4. The main goal of Pair Comparison is to:

   A) Rank stimuli based on perceived intensity

   B) Adjust the intensity of stimuli until they are barely detectable

   C) Determine the maximum intensity of a stimulus that can be detected

   D) Identify the threshold level for each stimulus

    Answer: A) Rank stimuli based on perceived intensity

 

5. Which of the following best describes the procedure of Pair Comparison?

   A) Participants rank stimuli from weakest to strongest based on their perception of intensity

   B) Stimuli are presented at various intensities, and participants adjust them until they are barely detectable

   C) Participants compare pairs of stimuli and indicate which one appears stronger

   D) Stimuli are presented in random order, and participants judge whether they can detect them

    Answer: C) Participants compare pairs of stimuli and indicate which one appears stronger

 

6. Pair Comparison is particularly useful for estimating:

   A) The absolute threshold

   B) The difference limen

   C) The just noticeable difference

   D) The threshold level

    Answer: C) The just noticeable difference

 

7. What is the primary advantage of Pair Comparison?

   A) It allows for precise control over stimulus presentation

   B) It is less susceptible to response bias compared to other methods

   C) It provides a direct measure of the absolute threshold

   D) It requires fewer trials to obtain reliable results

    Answer: B) It is less susceptible to response bias compared to other methods

 

8. The Pair Comparison method is based on the assumption that:

   A) Participants' responses will vary randomly around the true stimulus value

   B) Participants' judgments will always be accurate

   C) Participants' responses will always be biased

   D) Participants' judgments will depend on the intensity of the stimulus

    Answer: D) Participants' judgments will depend on the intensity of the stimulus

 

9. Which of the following statements about Pair Comparison is true?

   A) It involves presenting stimuli at fixed intervals and asking participants to adjust them until they are barely detectable

   B) It calculates the average difference between perceived and actual stimulus values

   C) It is commonly used to measure the absolute threshold

   D) It relies on participants' ability to accurately judge the relative intensity of stimuli

    Answer: D) It relies on participants' ability to accurately judge the relative intensity of stimuli

 

10. The main disadvantage of Pair Comparison is:

    A) It requires a large number of trials to obtain reliable results

    B) It is less precise compared to other psychophysical methods

    C) It is difficult to administer to participants with sensory impairments

    D) It is susceptible to order effects and response bias

     Answer: A) It requires a large number of trials to obtain reliable results

 

11. In Pair Comparison, the just noticeable difference is estimated by:

    A) Averaging the ranks assigned to each stimulus by participants

    B) Calculating the difference between the ranks of paired stimuli

    C) Determining the midpoint between the ranks of adjacent stimuli

    D) Summing the ranks assigned to each stimulus by participants

     Answer: C) Determining the midpoint between the ranks of adjacent stimuli

 

12. Pair Comparison is particularly useful for:

    A) Assessing the reliability of sensory judgments across different conditions

    B) Measuring the absolute threshold in a quick and efficient manner

    C) Estimating the just noticeable difference with high precision

    D) Determining the maximum intensity of a stimulus that can be detected

     Answer: C) Estimating the just noticeable difference with high precision

 

13. Which of the following best describes the primary advantage of Pair Comparison over other psychophysical methods?

    A) It provides a direct measure of the absolute threshold

    B) It allows for precise control over stimulus presentation

    C) It is less susceptible to response bias

    D) It requires less time and effort to administer

     Answer: C) It is less susceptible to response bias

 

14. Which of the following best describes the process of conducting Pair Comparison?

    A) Presenting stimuli at various intensities and asking participants to adjust them until they are barely detectable

    B) Presenting stimuli in ascending or descending order and asking participants to respond when they can or cannot detect them

    C) Presenting pairs of stimuli and asking participants to indicate which one appears stronger

    D) Presenting stimuli randomly and asking participants to rank them based on intensity

     Answer: C) Presenting pairs of stimuli and asking participants to indicate which one appears stronger

 

15. The Pair Comparison method is often used in combination with other psychophysical methods to:

    A) Reduce measurement error

    B) Increase the reliability of results

    C) Control for demand characteristics

    D) Minimize participant fatigue

     Answer: B) Increase the reliability of results

 

16. Which of the following best describes the primary advantage of the Pair Comparison method?

    A) It provides a direct measure of the absolute threshold

    B) It allows for precise control over stimulus presentation

    C) It is less susceptible to response bias

    D) It requires less time and effort to administer

     Answer: C) It is less susceptible to response bias

 

17. In Pair Comparison, participants' rankings are compared to:

    A) A fixed criterion

    B) The true stimulus values

    C) The maximum intensity of a stimulus

    D) The just noticeable difference

     Answer: A) A fixed criterion

 

18. What is the main advantage of Pair Comparison over other psychophysical methods?

    A) It provides a direct measure of the absolute threshold

    B) It allows for precise control over stimulus presentation

    C) It is less susceptible to response bias

    D) It requires less time and effort to administer

     Answer: C) It is less susceptible to response bias

 

19. The Pair Comparison method is particularly useful for:

    A) Assessing the reliability of sensory judgments across different conditions

    B) Measuring the absolute threshold in a quick and efficient manner

    C) Estimating the just noticeable difference with high precision

    D) Determining the maximum intensity of a stimulus that can be detected

     Answer: C) Estimating the just noticeable difference with high precision

 

20. In Pair Comparison, participants compare:

    A) A single stimulus with multiple reference stimuli

    B) Multiple stimuli simultaneously and rank them based on intensity

    C) The same stimulus presented at different intensities

    D) Multiple pairs of stimuli presented in random order

     Answer: B) Multiple stimuli simultaneously and rank them based on intensity


 

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