Lesson 4.2.3.T1
4.2.3.T1 Experimental method Quiz: AQA Psychology, Unit 2
20 questions
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Lesson 4.2.3.T1, Experimental method: 20 multiple choice questions for the AQA Psychology (7182), Unit 2: Psychology in context, written with Revision Ninja.
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The 20 questions
-
What term describes a variable other than the IV that could affect the DV?
- Dependent variable
- Target variable
- Extraneous variable
- Constant variable
-
Which experimental design tests different participants in each condition of the experiment?
- Repeated measures
- Independent groups
- Correlation design
- Matched pairs
-
Who manipulates the independent variable in a natural experiment?
- The participants
- The researcher
- No one
- An independent observer
-
What distinguishes a quasi-experiment from a true experiment?
- Random allocation
- Pre-existing IV
- Lab setting
- Independent groups
-
What is the variable measured by the researcher in an experiment?
- Independent variable
- Dependent variable
- Extraneous variable
- Confounding variable
-
What feature distinguishes an experiment from a correlation?
- Presence of a hypothesis
- Use of human participants
- Collection of quantitative data
- Manipulation of IV
-
What technique eliminates researcher bias by keeping participants unaware of their condition?
- Randomisation
- Double blind
- Standardisation
- Single blind
-
A researcher tests whether background noise affects recall. Participants are randomly allocated to noisy and quiet conditions in a lab. What type of experiment is this?
- Field experiment in a park
- Natural experiment in a city
- Laboratory experiment
- Quasi-experiment in a school
-
Which experimental design uses the exact same participants across all conditions?
- Matched pairs
- Repeated measures
- Quasi design
- Independent groups
-
Which research design is used when the independent variable is a pre-existing participant characteristic?
- Natural experiment
- Quasi-experiment
- Field experiment
- True experiment
-
In an experiment investigating how revision hours affect test scores, what is the dependent variable?
- Test score
- Revision hours
- Room temperature
- Participant age
-
A researcher tests whether litter affects helping behaviour on a street, without participants knowing they are in a study. What type of experiment is this?
- Correlational study
- Laboratory experiment
- Quasi-experiment
- Field experiment
-
What method balances the order of conditions to combat fatigue or practice effects?
- Counterbalancing
- Stratification
- Randomisation
- Standardisation
-
What methodological limitation primarily restricts causal conclusions in quasi-experiments?
- Investigator effects
- Lack of random allocation
- Uncontrolled IV
- Artificial setting
-
Why is random allocation impossible in a natural experiment?
- Participants are unwilling
- Sample is too small
- IV occurs naturally
- Ethical issues prevent it
-
What type of validity is threatened when a study uses an unrepresentative sample of participants?
- Population validity
- Ecological validity
- Internal validity
- Construct validity
-
Which core feature separates a true experiment from a naturalistic observation?
- Using human participants
- Manipulation of IV
- Informing participants
- Recording behaviour
-
What is the main purpose of using a standardised procedure in an experiment?
- Eliminating demand characteristics
- Ensuring informed consent
- Improving reliability
- Increasing mundane realism
-
Which research design best establishes cause and effect through random allocation?
- True experiment
- Case study
- Correlational study
- Natural experiment
-
What is the primary advantage of conducting a field experiment over a lab experiment?
- Reduced extraneous variables
- Higher ecological validity
- Greater control
- Easier standardisation
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