Lesson 2.2.1

2.2.1 Experimental design and controls Quiz: Pearson Edexcel Psychology, Unit 2

20 questions

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Lesson 2.2.1, Experimental design and controls: 20 multiple choice questions for the Pearson Edexcel Psychology (9PS0), Unit 2: Cognitive psychology, written with Revision Ninja.

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The 20 questions

  1. What is the primary method used to control investigator effects during a psychological study?

    • Standardisation
    • Double-blind procedure
    • Counterbalancing
    • Random allocation
  2. Which control technique involves assigning participants to experimental conditions purely by chance?

    • Standardisation
    • Randomisation
    • Operationalisation
    • Counterbalancing
  3. Which control method is used to reduce order effects in a repeated measures design?

    • Randomisation
    • Matching
    • Counterbalancing
    • Standardisation
  4. Which experimental design completely avoids order effects like practice and fatigue?

    • Matched pairs
    • Single case
    • Repeated measures
    • Independent groups
  5. What type of variable is specifically controlled when using a matched pairs experimental design?

    • Demand characteristics
    • Participant variables
    • Order effects
    • Situational variables
  6. What term describes any unwanted variable that may potentially influence the dependent variable?

    • Dependent variable
    • Extraneous variable
    • Independent variable
    • Confounding variable
  7. What term describes an uncontrolled variable that varies systematically with the independent variable?

    • Extraneous variable
    • Participant variable
    • Dependent variable
    • Confounding variable
  8. What term describes subtle cues that reveal the true study aim to participants?

    • Experimenter effects
    • Demand characteristics
    • Social desirability
    • Order effects
  9. What process ensures that every participant experiences the exact same experimental procedure?

    • Standardisation
    • Operationalisation
    • Counterbalancing
    • Randomisation
  10. What type of order effect occurs when performance improves due to completing tasks repeatedly?

    • Experimenter effect
    • Placebo effect
    • Fatigue effect
    • Practice effect
  11. Which type of validity is typically high in a field experiment?

    • Internal validity
    • Predictive validity
    • Temporal validity
    • Ecological validity
  12. Which sampling technique is most effective at preventing researcher bias when selecting participants?

    • Self-selected sampling
    • Random sampling
    • Volunteer sampling
    • Opportunity sampling
  13. Which experimental design uses different participants in each condition to avoid practice effects?

    • Independent groups
    • Observational design
    • Repeated measures
    • Matched pairs
  14. What is the term for the variable that a researcher measures in an experiment?

    • Independent variable
    • Confounding variable
    • Dependent variable
    • Extraneous variable
  15. Which of the following is an example of a situational variable in an experiment?

    • Intelligence level
    • Room temperature
    • Participant age
    • Memory capacity
  16. Testing condition A in the morning and condition B in the afternoon creates which type of variable?

    • Dependent variable
    • Confounding variable
    • Extraneous variable
    • Participant variable
  17. Which technique controls for order effects in a repeated measures design?

    • Counterbalancing
    • Randomisation
    • Standardisation
    • Operationalisation
  18. What is a major disadvantage of using a matched pairs design?

    • Order effects occur
    • Time-consuming to match
    • Loss of control
    • High demand characteristics
  19. Participants changing their behaviour after guessing the experiment's aim is an example of what?

    • Social desirability
    • Order effects
    • Demand characteristics
    • Experimenter bias
  20. What type of experimental validity is threatened by conducting research in a highly artificial laboratory environment?

    • Ecological validity
    • Construct validity
    • Internal validity
    • Predictive validity

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