Lesson 3.1.4.6.1
3.1.4.6.1 Standardised procedures, instructions, randomisation, allocation, counterbalancing Quiz: AQA Psychology, Unit 4
20 questions
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Lesson 3.1.4.6.1, Standardised procedures, instructions, randomisation, allocation, counterbalancing: 20 multiple choice questions for the AQA GCSE Psychology (8182), Unit 4: Research methods, written with Revision Ninja.
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The 20 questions
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What is the purpose of standardised procedures in an experiment?
- Every participant is treated the same way
- Participants are told the hypothesis so they can respond accurately
- Results are made more exciting for the reader to enjoy
- The researcher can change the procedure whenever participants seem bored
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What is random allocation?
- Testing every participant in the same condition in one session to save time and money
- Asking participants to choose which condition they would prefer, so they feel more involved
- Placing participants into conditions based on their age and gender so the groups look similar
- Placing participants into conditions by chance so each has an equal chance of any condition
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What is counterbalancing used for?
- Ensuring the researcher remains unaware of which condition is which
- Varying the order of conditions across participants to reduce order effects
- Making sure each condition has exactly the same number of participants
- Giving all participants identical written instructions
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What is the purpose of standardised instructions?
- They allow the researcher to change the task for each participant
- They tell participants the hypothesis so they behave as expected
- They ensure every participant understands the task in the same way
- They remove the need for a consent form in a study
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In a repeated measures design, what is the best use of counterbalancing?
- Choosing one random condition for every participant
- Using AAAA ordering so all participants complete condition A first
- Using ABBA or BAAB ordering so practice effects are spread across the conditions
- Ordering the conditions by each participant's age
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Which is an example of a standardised procedure?
- Reading the same script to every participant before the task starts
- Giving feedback on performance to some participants but not others
- Changing the wording of questions when a participant looks confused
- Allowing some participants a longer time to complete the task
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A researcher writes names on slips and draws them from a hat to form groups. Why is this appropriate?
- It is a random allocation that reduces researcher bias in forming groups
- It ensures the groups are matched on intelligence and age
- It guarantees each group has exactly the same mean score
- It lets participants choose the condition they feel most comfortable in
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In a memory study, participants complete condition A then condition B. Which problem could counterbalancing address?
- Participants may perform better in B because of practice from A
- Participants may not understand the consent form
- Participants may refuse to take part in both conditions
- Participants may be too tired to complete the study at all
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A researcher reads the same instructions aloud to all participants and times each task with the same stopwatch. What is this an example of?
- Use of a matched pairs design
- Random allocation to conditions
- Standardisation of the procedure
- Counterbalancing of conditions
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What is the best way to randomise the order of word lists in a memory study?
- Put the lists in the same alphabetical order for everyone in the memory test
- Let each participant choose which list to start with, so they feel in control
- Give the easiest list first to every participant so they settle into the task
- Use a random number generator to decide each participant's list order
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A study has 40 participants in two conditions. Which allocation fits an independent groups design?
- Allocate every participant to condition A and then to condition B
- Allocate participants by surname order and then reverse it
- Randomly allocate 20 participants to each condition
- Allocate participants to a condition chosen by the experimenter
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Why does a researcher read a standard script to every participant?
- So any differences in results are less likely to come from changes in the procedure
- So the researcher can record the session more easily and keep the timing consistent
- So participants feel more relaxed and perform better across all the tasks in the study
- So the hypothesis is hidden from every participant, including the ones who ask
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Which design combination best controls order effects in a repeated measures study with two conditions?
- Counterbalancing, with half the participants doing the conditions in each order
- Using a single condition order for everyone to keep the study simple
- Randomly choosing one condition for each participant only
- Telling participants the order of conditions in advance
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Why is random allocation preferred over self-selection?
- It reduces bias that could arise when participants choose their own condition
- It guarantees the results will be statistically significant if the sample is large enough
- It makes the study cheaper and quicker to run in a school with limited staff
- It removes the need for a control group in any experiment that compares two conditions
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Which statement correctly describes a limitation of standardised procedures?
- They always produce results that are impossible to replicate
- They require the researcher to use qualitative data only
- They cause participants to guess the hypothesis in every case
- They make it harder to adapt to individual needs
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What is a participant variable?
- The condition each participant is placed into by the researcher during the allocation stage
- A characteristic of each participant, such as age or motivation, that could affect results
- The number of participants included in the final analysis after any dropouts are removed
- The measure used to record the dependent variable in each condition of the study
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What does allocation to conditions mean?
- Deciding who will act as the experimenter during each session of the study
- Deciding how long each participant will spend on the task before the session ends
- Deciding which participants will take part in which condition of the experiment
- Deciding which measures will be used in the analysis of the final results
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A researcher says 'take as long as you need' to one group and 'you have two minutes' to another. What problem does this create?
- The study now uses a qualitative design
- The sample is no longer representative of the population
- The results can no longer be analysed statistically
- The procedure is not standardised
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Why might counterbalancing be unnecessary in an independent groups design?
- The design always uses the same participants for every condition
- Each participant takes part in only one condition
- Counterbalancing only applies to laboratory studies
- Each participant takes part in all conditions, so order must be fixed
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Which statement best evaluates standardised instructions in a memory experiment?
- They guarantee that participants will never misunderstand the study
- They reduce variation caused by the researcher
- They make counterbalancing unnecessary in all designs
- They prove the independent variable caused the change
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