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
-
What is the primary method used to control investigator effects during a psychological study?
- Standardisation
- Double-blind procedure
- Counterbalancing
- Random allocation
-
Which control technique involves assigning participants to experimental conditions purely by chance?
- Standardisation
- Randomisation
- Operationalisation
- Counterbalancing
-
Which control method is used to reduce order effects in a repeated measures design?
- Randomisation
- Matching
- Counterbalancing
- Standardisation
-
Which experimental design completely avoids order effects like practice and fatigue?
- Matched pairs
- Single case
- Repeated measures
- Independent groups
-
What type of variable is specifically controlled when using a matched pairs experimental design?
- Demand characteristics
- Participant variables
- Order effects
- Situational variables
-
What term describes any unwanted variable that may potentially influence the dependent variable?
- Dependent variable
- Extraneous variable
- Independent variable
- Confounding variable
-
What term describes an uncontrolled variable that varies systematically with the independent variable?
- Extraneous variable
- Participant variable
- Dependent variable
- Confounding variable
-
What term describes subtle cues that reveal the true study aim to participants?
- Experimenter effects
- Demand characteristics
- Social desirability
- Order effects
-
What process ensures that every participant experiences the exact same experimental procedure?
- Standardisation
- Operationalisation
- Counterbalancing
- Randomisation
-
What type of order effect occurs when performance improves due to completing tasks repeatedly?
- Experimenter effect
- Placebo effect
- Fatigue effect
- Practice effect
-
Which type of validity is typically high in a field experiment?
- Internal validity
- Predictive validity
- Temporal validity
- Ecological validity
-
Which sampling technique is most effective at preventing researcher bias when selecting participants?
- Self-selected sampling
- Random sampling
- Volunteer sampling
- Opportunity sampling
-
Which experimental design uses different participants in each condition to avoid practice effects?
- Independent groups
- Observational design
- Repeated measures
- Matched pairs
-
What is the term for the variable that a researcher measures in an experiment?
- Independent variable
- Confounding variable
- Dependent variable
- Extraneous variable
-
Which of the following is an example of a situational variable in an experiment?
- Intelligence level
- Room temperature
- Participant age
- Memory capacity
-
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
-
Which technique controls for order effects in a repeated measures design?
- Counterbalancing
- Randomisation
- Standardisation
- Operationalisation
-
What is a major disadvantage of using a matched pairs design?
- Order effects occur
- Time-consuming to match
- Loss of control
- High demand characteristics
-
Participants changing their behaviour after guessing the experiment's aim is an example of what?
- Social desirability
- Order effects
- Demand characteristics
- Experimenter bias
-
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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