Experimental psychology - Quiz
Experimental psychology
  • 1. Experimental psychology is a branch of psychology that utilizes scientific methods to study human behavior. Researchers in this field design experiments to test hypotheses about various aspects of cognition, emotion, and behavior. They use techniques such as observation, surveys, and controlled experiments to gather data and draw conclusions. By conducting systematic investigations, experimental psychologists aim to better understand how and why people think, feel, and act the way they do. This field has contributed valuable insights to a wide range of topics, including memory, perception, learning, decision-making, and social behavior.

    What is the primary goal of experimental psychology?
A) To provide therapy to individuals.
B) To understand behavior through controlled experiments.
C) To analyze historical case studies.
D) To predict future behavior based on observations.
  • 2. What is the purpose of a control group in an experiment?
A) To provide a baseline for comparison with the experimental group.
B) To ensure the participants are not aware of the study.
C) To manipulate the independent variable.
D) To make the experiment more complex.
  • 3. Which statistical analysis is commonly used in experimental psychology to determine if there is a significant difference between groups?
A) Regression analysis.
B) Chi-square test.
C) T-test.
D) ANOVA (Analysis of Variance).
  • 4. Which ethical principle in psychology research focuses on minimizing harm and maximizing benefits for participants?
A) Deception.
B) Confidentiality.
C) Beneficence.
D) Informed consent.
  • 5. What is external validity in experimental psychology?
A) The extent to which the findings of a study can be generalized to real-world settings.
B) The replicate reliability of the study.
C) The accuracy of the measurements taken.
D) The statistical significance of the results.
  • 6. What is the purpose of debriefing participants after an experiment?
A) To gather additional data.
B) To inform them about the true nature and purpose of the study.
C) To ensure they are not aware of the manipulation.
D) To provide false feedback about their performance.
  • 7. What is the difference between an experimental group and a control group?
A) The experimental group is exposed to the independent variable, while the control group is not.
B) Both groups receive different treatments.
C) The experimental group is observed in a naturalistic setting.
D) The control group is where the researchers are blind to the results.
  • 8. What does replicability refer to in experimental psychology?
A) The ability of an experiment to be repeated with similar results.
B) The complexity of the experimental design.
C) The number of participants in the study.
D) The statistical significance of the results.
  • 9. Who founded the first psychology laboratory and where was it located?
A) Ernst Heinrich Weber in Berlin, Germany
B) Hermann Ebbinghaus in Paris, France
C) Charles Bell in London, England
D) Wilhelm Wundt in Leipzig, Germany
  • 10. Who is credited with suggesting that judgments of sensory differences are relative?
A) Charles Bell
B) Ernst Heinrich Weber
C) Wilhelm Wundt
D) Francois Magendie
  • 11. What is the mathematical expression for Weber's Law?
A) ΔI + I = k
B) ΔI/I = k
C) I/ΔI = k
D) I - ΔI = k
  • 12. Who published similar findings to Charles Bell's research without being aware of it?
A) Wilhelm Wundt
B) Hermann Ebbinghaus
C) Francois Magendie
D) Ernst Heinrich Weber
  • 13. What was one of the methods used by early experimental psychologists like Wundt and Titchener?
A) Genetic analysis
B) Behavioral observation
C) Introspection
D) Neuroimaging
  • 14. What was disproved by Charles Bell's discovery?
A) The existence of motor nerves.
B) Weber's Law.
C) The belief that nerves transmitted either vibrations or spirits.
D) The presence of sensory nerves in the spinal cord.
  • 15. What is considered to be the first quantitative law in psychology?
A) Weber's Law
B) Ebbinghaus' Forgetting Curve
C) Bell–Magendie law
D) Wundt's Principle of Introspection
  • 16. Who is considered to have published the first work of experimental psychology?
A) Oswald Külpe
B) Ernst Heinrich Weber
C) Wilhelm Wundt
D) Gustav Fechner
  • 17. In what year did Gustav Fechner publish 'Elemente der Psychophysik'?
A) 1879
B) 1883
C) 1855
D) 1860
  • 18. What concept did the Würzburg School emphasize that affects perception and problem solving without awareness?
A) Voluntarism
B) Introspection
C) Structuralism
D) Mental Set (Einstellung)
  • 19. What type of thought did Külpe describe as consisting of pure mental acts without mental images?
A) Perceptual Thought
B) Sensory Thought
C) Imageless Thought
D) Associative Thought
  • 20. Which psychological movement was influenced by the work of the Würzburg School?
A) Humanistic Psychology
B) Behaviorism
C) Gestalt Psychology
D) Psychoanalysis
  • 21. Who introduced experimental psychology into the United States?
A) George Trumbull Ladd
B) Jerzy Neyman
C) Charles Sanders Peirce
D) Sir Frederic Bartlett
  • 22. Which university did George Trumbull Ladd found the first psychological laboratory at?
A) Yale University
B) Johns Hopkins University
C) University of Chicago
D) Harvard University
  • 23. Where did the center of experimental psychology in the US shift after Ladd's founding of the Yale Laboratory?
A) Harvard University
B) Columbia University
C) Johns Hopkins University
D) University of Chicago
  • 24. Where is the presence of an IRB required by law?
A) Only in medical facilities.
B) Exclusively at government agencies.
C) In all private businesses.
D) At institutions such as universities where psychological research occurs.
  • 25. Who conducted the Stanford prison experiment?
A) Norman Triplett
B) Philip Zimbardo
C) Stanley Milgram
D) John B. Watson
  • 26. What unique capacity do bats display that helps clarify important cognitive functions?
A) Echo location
B) Hibernation
C) Migration over long distances
D) Camouflage
  • 27. What type of conditioning did B.F. Skinner distinguish from classical conditioning?
A) Social learning theory
B) Operant conditioning
C) Classical conditioning
D) Cognitive dissonance
  • 28. In psychology, what was the kymograph often used to record?
A) Electric current strength
B) Speed of bullets
C) Depth perception
D) Response times
  • 29. What instrument was developed by Carl Ludwig?
A) Kymograph
B) Stereoscope
C) Galvanometer
D) Photokymograph
  • 30. Which maze is used to test spatial learning in rats?
A) The Morris water maze.
B) A visual acuity test.
C) The radial arm maze.
D) An olfactometer setup.
  • 31. Which device was commonly used in psychology labs for olfactory studies?
A) The radial arm maze.
B) The Morris water maze.
C) The Zwaardemker olfactometer.
D) An electroencephalograph.
  • 32. Which school criticizes experimental psychology for neglecting context?
A) Frankfurt School
B) Cognitive School
C) Behaviorist School
D) Psychoanalytic School
  • 33. What term do critical psychologists use to describe their approach?
A) Critical Theory
B) Experimental Psychology
C) Cognitive Science
D) Behavioral Analysis
  • 34. Which of these is an example of a property that can be measured on a ratio scale?
A) Temperature in Fahrenheit
B) Length
C) Difference in loudness
D) Standard scores on an achievement test
  • 35. What does a control group in a two-group design typically receive?
A) No treatment.
B) A different treatment from the experimental group.
C) The same treatment as the experimental group.
D) A placebo.
  • 36. In which year was the National Research Act established?
A) 1965
B) 1982
C) 1974
D) 1999
  • 37. Which student of Peirce conducted experiments on human cognition in schools?
A) George Trumbull Ladd
B) Joseph Jastrow
C) Jerzy Neyman
D) John Dewey
  • 38. Who invented the first stereoscope?
A) Wheatstone
B) Matthäus Hipp
C) Hermann von Helmholtz
D) Carl Ludwig
  • 39. What design did Peirce and Jastrow use in their experiments?
A) Cross-sectional design
B) Blinded, repeated-measures design
C) Longitudinal design
D) Case-control design
  • 40. Which early instrument was used in experimental psychology?
A) Polygraph machine
B) Hipp Chronoscope
C) MRI scanner
D) Electroencephalograph (EEG)
  • 41. What are some instruments used in sensory measurement?
A) Oscillator, attenuator, stroboscope
B) Syringe, scalpel, and stethoscope
C) Microscope, telescope, and thermometer
D) Computer, calculator, and smartphone
  • 42. Which paradigm became dominant in psychology during the mid-20th century, especially in the United States?
A) Cognitive Psychology
B) Humanistic Psychology
C) Psychoanalysis
D) Behaviorism
  • 43. What is the significance of parsimony in scientific theory selection?
A) Parsimony suggests choosing the most complex theory available.
B) If two theories handle observations equally well, prefer the simpler one.
C) Simplicity is irrelevant in comparing scientific theories.
D) Theories should be selected based on their popularity.
  • 44. What principle did Ivan Pavlov establish through his experiments with dogs?
A) Social learning theory
B) Cognitive dissonance
C) Operant conditioning
D) Classical conditioning
  • 45. What was the focus of Peirce's pragmatic program?
A) Understanding human perception
B) Exploring developmental stages
C) Analyzing social interactions
D) Studying animal behavior
  • 46. Where are fMRIs most commonly found?
A) Private homes
B) Offices
C) Hospitals
D) Schools
  • 47. What was the kymograph originally used for?
A) Recording reaction times
B) Measuring blood pressure
C) Presenting images to each eye separately
D) Detecting nerve impulses
  • 48. What component allows a photokymograph to reach an appropriate speed for recording?
A) They utilize revolving drums
B) They employ electrical signals
C) They use vibrating reeds
D) Some have a lens
  • 49. Who popularized the use of factorial designs?
A) Sigmund Freud.
B) B.F. Skinner.
C) R.A. Fisher.
D) Jean Piaget.
  • 50. What is a serious disadvantage of within-subjects designs?
A) Elimination of person confounds.
B) Fewer conditions can be tested.
C) Possible sequence effects.
D) They require more participants.
  • 51. With whom did Charles S. Peirce conduct experiments on weight discrimination?
A) Joseph Jastrow
B) George Trumbull Ladd
C) John Dewey
D) Jerzy Neyman
  • 52. Which scale allows for the comparison 'twice as heavy'?
A) Interval scale
B) Ratio scale
C) Nominal scale
D) Ordinal scale
  • 53. In a 2x3 factorial design, how many levels does the second independent variable have?
A) Two levels.
B) Four levels.
C) One level.
D) Three levels.
  • 54. What is a significant advantage of within-subjects designs over between-subjects designs?
A) They have no disadvantages.
B) They eliminate person confounds.
C) They allow for more participants.
D) They prevent sequence effects.
  • 55. Who is considered one of the founders of behavioral psychology?
A) Ivan Pavlov
B) Sigmund Freud
C) William James
D) Carl Jung
  • 56. Which method assesses reliability by measuring participants at two different times?
A) Test-retest
B) Construct validity
C) Criterion validity
D) Split-half
  • 57. Who used the galvanometer to detect electrical signals generated by nerve impulses?
A) Hermann von Helmholtz
B) Wheatstone
C) Carl Ludwig
D) Matthäus Hipp
  • 58. On which type of temperature scale are ratios like 'twice as hot' meaningful?
A) Celsius scale
B) Rankine scale
C) Kelvin scale
D) Fahrenheit scale
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