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