MCqs on Psychophysics | Psychology BA SEM 2 Lucknow University

Multiple-choice questions on the concept and problem of psychophysics, as well as the physical vs. psychological continuum in psychophysics:

 

MCqs on Psychophysics | Psychology BA SEM 2 Lucknow University

1. Psychophysics is the branch of psychology that deals with:

   A) Mental disorders

   B) The relationship between physical stimuli and psychological responses

   C) Cognitive processes

   D) Human development

    Answer: B) The relationship between physical stimuli and psychological responses

 

2. Who is considered the founder of psychophysics?

   A) Wilhelm Wundt

   B) Sigmund Freud

   C) Gustav Fechner

   D) William James

    Answer: C) Gustav Fechner

 

3. The goal of psychophysics is to:

   A) Study the structure of the brain

   B) Investigate unconscious mental processes

   C) Measure the relationship between physical stimuli and perceptual experiences

   D) Analyze social behavior

    Answer: C) Measure the relationship between physical stimuli and perceptual experiences

 

4. The term "psychophysics" was coined by:

   A) Wilhelm Wundt

   B) Gustav Fechner

   C) William James

   D) Sigmund Freud

    Answer: B) Gustav Fechner

 

5. In psychophysics, the term "threshold" refers to:

   A) The maximum intensity of a stimulus that can be detected

   B) The minimum intensity of a stimulus that can be detected

   C) The point at which a stimulus becomes painful

   D) The point at which a stimulus becomes enjoyable

    Answer: B) The minimum intensity of a stimulus that can be detected

 

6. The difference threshold (or just noticeable difference) is the:

   A) Smallest change in stimulus intensity that can be detected

   B) Maximum intensity of a stimulus that can be detected

   C) Point at which a stimulus becomes painful

   D) Point at which a stimulus becomes enjoyable

    Answer: A) Smallest change in stimulus intensity that can be detected

 

7. Weber's law states that the just noticeable difference (JND) between two stimuli is:

   A) Proportional to the magnitude of the stimuli

   B) Inversely proportional to the magnitude of the stimuli

   C) Constant regardless of the magnitude of the stimuli

   D) Variable depending on the magnitude of the stimuli

    Answer: C) Constant regardless of the magnitude of the stimuli

 

8. The concept of absolute threshold refers to:

   A) The maximum intensity of a stimulus that can be detected

   B) The minimum intensity of a stimulus that can be detected

   C) The point at which a stimulus becomes painful

   D) The point at which a stimulus becomes enjoyable

    Answer: B) The minimum intensity of a stimulus that can be detected

 

9. Which of the following is NOT a method used in psychophysics to measure thresholds?

   A) Method of limits

   B) Method of adjustment

   C) Method of cognitive psychology

   D) Method of constant stimuli

    Answer: C) Method of cognitive psychology

 

10. The method of constant stimuli involves:

    A) Presenting stimuli in ascending order of intensity until they can be detected

    B) Presenting stimuli in descending order of intensity until they cannot be detected

    C) Presenting stimuli at random intensities and asking participants to respond

    D) Presenting stimuli at a fixed intensity and asking participants to adjust it until it can be detected

     Answer: C) Presenting stimuli at random intensities and asking participants to respond

 

11. The concept of signal detection theory focuses on:

    A) How sensory receptors detect physical stimuli

    B) How individuals make decisions about the presence or absence of a stimulus in the presence of noise

    C) The relationship between physical and psychological stimuli

    D) How individuals perceive the intensity of sensory stimuli

     Answer: B) How individuals make decisions about the presence or absence of a stimulus in the presence of noise

 

12. The physical continuum in psychophysics refers to:

    A) The range of physical stimuli that can be detected by the human sensory system

    B) The relationship between physical stimuli and perceptual experiences

    C) The measurement of psychological responses to physical stimuli

    D) The study of the brain's response to physical stimuli

     Answer: A) The range of physical stimuli that can be detected by the human sensory system

 

13. The psychological continuum in psychophysics refers to:

    A) The range of psychological experiences associated with physical stimuli

    B) The relationship between physical and psychological stimuli

    C) The measurement of physical responses to psychological stimuli

    D) The study of psychological disorders

     Answer: A) The range of psychological experiences associated with physical stimuli

 

14. Fechner's law states that the relationship between the intensity of a physical stimulus and its perceived magnitude is:

    A) Linear

    B) Exponential

    C) Inversely proportional

    D) Constant

    Answer: B) Exponential

 

15. Which of the following statements about the physical vs. psychological continuum in psychophysics is true?

    A) The physical continuum refers to the range of psychological experiences associated with physical stimuli.

    B) The psychological continuum refers to the relationship between physical stimuli and perceptual experiences.

    C) The physical continuum is concerned with the measurement of physical responses to psychological stimuli.

    D) The psychological continuum is concerned with the measurement of psychological responses to physical stimuli.

     Answer: D) The psychological continuum is concerned with the measurement of psychological responses to physical stimuli.

 

16. The physical continuum deals primarily with:

    A) The measurement of physical responses to psychological stimuli

    B) The relationship between physical stimuli and perceptual experiences

    C) The range of psychological experiences associated with physical stimuli

    D) The study of sensory receptors

     Answer: B) The relationship between physical stimuli and perceptual experiences

 

17. Which of the following is an example of the physical continuum in psychophysics?

    A) Measuring the loudness of a sound in decibels

    B) Determining the emotional impact of a painting

    C) Assessing the taste preferences of individuals

    D) Evaluating the effectiveness of psychotherapy

     Answer: A) Measuring the loudness of a sound in decibels

 

18. The psychological continuum in psychophysics deals with:

    A) The range of physical stimuli that can be detected by the human sensory system

    B) The measurement of physical responses to psychological stimuli

    C) The relationship between physical stimuli and perceptual experiences

    D) The study of cognitive processes

     Answer: C) The relationship between physical stimuli and perceptual experiences

 

19. Which of the following statements about the psychological continuum is true?

    A) It is concerned with the measurement of physical responses to psychological stimuli.

    B) It refers to the range of psychological experiences associated with physical stimuli.

    C) It is unrelated to the study of perception.

    D) It examines the relationship between physical stimuli and perceptual experiences.

     Answer: D) It examines the relationship between physical stimuli and perceptual experiences.

 

20. The study of psychophysics is important because it:

    A) Helps us understand the relationship between physical stimuli and psychological experiences

    B) Provides insights into cognitive processes

    C) Aids in the diagnosis of psychological disorders

    D) Facilitates the development of psychotherapeutic interventions

     Answer: A) Helps us understand the relationship between physical stimuli and psychological experiences

 

21. Which of the following statements best describes the problem of psychophysics?

    A) It aims to bridge the gap between physical and psychological phenomena.

    B) It seeks to quantify subjective experiences using objective measures.

    C) It focuses on understanding the relationship between brain function and behavior.

    D) It investigates the influence of genetics on psychological traits.

     Answer: A) It aims to bridge the gap between physical and psychological phenomena.

 

22. The problem of psychophysics arises because:

    A) Psychological experiences cannot be objectively measured.

    B) Physical stimuli do not reliably elicit psychological responses.

    C) There is often a mismatch between physical stimuli and psychological experiences.

    D) Individuals perceive physical stimuli differently based on their cognitive abilities.

    Answer: C) There is often a mismatch between physical stimuli and psychological experiences.

 

23. Which of the following is an example of the problem of psychophysics?

    A) Two individuals perceive the same visual stimulus differently due to variations in their attention.

    B) A researcher accurately measures the intensity of a sound using a decibel meter.

    C) Participants in a study consistently report the same emotional response to a series of images.

    D) The taste of food is unaffected by its color or presentation.

     Answer: A) Two individuals perceive the same visual stimulus differently due to variations in their attention.

 

24. The problem of psychophysics highlights:

    A) The subjective nature of psychological experiences.

    B) The reliability of physical measurements.

    C) The universality of perceptual processes.

    D) The predictability of psychological responses.

     Answer: A) The subjective nature of psychological experiences.

 

25. Which of the following statements about the problem of psychophysics is true?

    A) It suggests that physical stimuli have a direct and predictable impact on psychological experiences.

    B) It acknowledges the complexity of the relationship between physical stimuli and psychological responses.

    C) It proposes that psychological experiences are determined solely by genetic factors.

    D) It asserts that individual differences in perception are negligible.

     Answer: B) It acknowledges the complexity of the relationship between physical stimuli and psychological responses.

 

26. The problem of psychophysics can be addressed through:

    A) Standardizing physical stimuli across experiments

    B) Ignoring individual differences in perception

    C) Using only objective measures of psychological experiences

    D) Recognizing the role of context and individual differences in shaping perception

     Answer: D) Recognizing the role of context and individual differences in shaping perception

 

27. Which of the following factors contributes to the problem of psychophysics?

    A) Cultural differences in perception

    B) Consistency in perceptual experiences

    C) Genetic predispositions to certain stimuli

    D) Objective measurement of psychological responses

     Answer: A) Cultural differences in perception

 

28. The problem of psychophysics underscores the need for:

    A) More rigorous experimental designs

    B) Standardization of psychological assessments

    C) Considering context and individual differences in perception

    D) Ignoring subjective experiences in scientific research

     Answer: C) Considering context and individual differences in perception

 

29. Which of the following approaches is most likely to address the problem of psychophysics?

    A) Using only objective measures of physical stimuli

    B) Ignoring individual differences in perception

    C) Considering the influence of context on perceptual experiences

    D) Standardizing psychological responses across cultures

     Answer: C) Considering the influence of context on perceptual experiences

 

30. The problem of psychophysics challenges researchers to:

    A) Rely solely on objective measures of physical stimuli

    B) Ignore individual differences in perception

    C) Recognize the complexity of the relationship between physical stimuli and psychological experiences

    D) Disregard the impact of cultural factors on perception

     Answer: C) Recognize the complexity of the relationship between physical stimuli and psychological experiences

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